What is the next number of the following series - 68, 76.5, 91.8, 103.275, 123.93, ??

Question

What is the next number in the sequence -
1, 7, 10, 13, 19, 23, 28, 31, 32, 44, 49, 68, 70, 79, 82, 86, 91, 94, 97, 100, 103, 109, 129, 130, ?

Answer 1

The next number of the following series 68, 76.5, 91.8, 103.275, 123.93, ?? is 139.42125

Answer 2

answer is correct but explanation should be given
76.5/68=1.125
91.8/76.5=1.2
103.275=1.125
123.93/103.275=1.2
?/123.275=1.125 so ?=9*123.275/8=139.42125