Finding the Fourth Proportional to 127,780,249.68, 176,421,877.47 and 75,586,051.26
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Solution
The fourth proportional to 127,780,249.68, 176,421,877.47 and 75,586,051.26 is: 104,359,109.54
Step by Step Solution
- Step 1: Write the proportion equation
127,780,249.68 : 176,421,877.47 = 75,586,051.26 : x - Step 2: Convert to fraction form
127,780,249.68/176,421,877.47 = 75,586,051.26/x - Step 3: Cross multiply
127,780,249.68x = 176,421,877.47 × 75,586,051.26 - Step 4: Simplify right side
127,780,249.68x = 13,335,033,073,832,860 - Step 5: Solve for x
x = 13,335,033,073,832,860/127,780,249.68 - Step 6: Final answer
x = 104,359,109.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.