Finding the Fourth Proportional to 117,881.19, 176,757.17 and 46,731.75
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Solution
The fourth proportional to 117,881.19, 176,757.17 and 46,731.75 is: 70,072.01
Step by Step Solution
- Step 1: Write the proportion equation
117,881.19 : 176,757.17 = 46,731.75 : x - Step 2: Convert to fraction form
117,881.19/176,757.17 = 46,731.75/x - Step 3: Cross multiply
117,881.19x = 176,757.17 × 46,731.75 - Step 4: Simplify right side
117,881.19x = 8,260,171,645.49 - Step 5: Solve for x
x = 8,260,171,645.49/117,881.19 - Step 6: Final answer
x = 70,072.01
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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.