CHALLENGE 6

What does this line of numbers represent?
Answer in 'Comments Section'. Answer given on July 1st if not solved.
If no correct answer by June 20th, clue given.
Quiz by Malbaby
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Last updated: June 2, 2017
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First submittedJune 2, 2017
Times taken3
Average score100.0%
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Hint
Answer
84175(254)94285(260)104395(270)1144105(279)
Write answer in Comments Section below:
+1
Level 71
Jun 19, 2017
FIRST CLUE:......... Fathom, Yard and 0.3048m all have one thing in common.
+1
Level 71
Jun 19, 2017
Next clue if needed 25th June.
+1
Level 66
Jun 20, 2017
Seems like a good clue, I feel like I could be thirty minutes away from figuring it out now. But I'm pretty overworked, so I'll have to comeback in a few days.

I LOVE THESE CHALLENGES

+1
Level 66
Jun 23, 2017
Aha... foot... Shoe sizes! 8 US = 41 Euro = 7.5 UK = 254mm etc (according to shoemetro.com)
+1
Level 71
Jun 23, 2017
Brilliant 'colmaggio' you've done it again, with PotatoBoy ready to pounce. I doff my hat to you, never underestimate a Jetpunker. You have now solved CHALLENGES 1 - 4 - 6. A hat- trick of wins. Another Gold Medal to you.
+1
Level 66
Jun 26, 2017
Now that I see the answer I realise I wasn't as close to solving it as I thought. Not close at all...
+1
Level 71
Jun 26, 2017
CHALLENGE 7 @ http://www.jetpunk.com/user-quizzes/120558/challenge-7
+1
Level 71
Jul 1, 2017
CHALLENGE 8 ....... http://www.jetpunk.com/user-quizzes/120558/challenge-8