Finding the Fourth Proportional to 111,175.88, 166,781.09 and 37,321.16
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Solution
The fourth proportional to 111,175.88, 166,781.09 and 37,321.16 is: 55,987.53
Step by Step Solution
- Step 1: Write the proportion equation
111,175.88 : 166,781.09 = 37,321.16 : x - Step 2: Convert to fraction form
111,175.88/166,781.09 = 37,321.16/x - Step 3: Cross multiply
111,175.88x = 166,781.09 × 37,321.16 - Step 4: Simplify right side
111,175.88x = 6,224,463,004.26 - Step 5: Solve for x
x = 6,224,463,004.26/111,175.88 - Step 6: Final answer
x = 55,987.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.