Finding the Fourth Proportional to 127,564.11, 191,179.17 and 52,596.99
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Solution
The fourth proportional to 127,564.11, 191,179.17 and 52,596.99 is: 78,826.63
Step by Step Solution
- Step 1: Write the proportion equation
127,564.11 : 191,179.17 = 52,596.99 : x - Step 2: Convert to fraction form
127,564.11/191,179.17 = 52,596.99/x - Step 3: Cross multiply
127,564.11x = 191,179.17 × 52,596.99 - Step 4: Simplify right side
127,564.11x = 10,055,448,892.70 - Step 5: Solve for x
x = 10,055,448,892.70/127,564.11 - Step 6: Final answer
x = 78,826.63
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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.