There are three positive numbers. If the average of any two of them is added to the third number, the resulting sums are 154, 148 and 131. The average of the original three numbers is:

A

$$75\frac{1}{3}$$

B

$$72\frac{1}{3}$$

C

$$70\frac{1}{3}$$

D

$$76\frac{1}{3}$$