Select the set in which the numbers are related in the same way as are the numbers of the following set.
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)
(36, 75, 44)
(42, 73, 36)
1
(37, 84, 52)
2
(23, 52, 36)
3
(15, 43, 43)
4
(26, 68, 37)