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Finding the Fourth Proportional to 359,694.72, 539,425.22 and 119,744.15

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Solution

The fourth proportional to 359,694.72, 539,425.22 and 119,744.15 is: 179,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,694.72 : 539,425.22 = 119,744.15 : x
  2. Step 2: Convert to fraction form
    359,694.72/539,425.22 = 119,744.15/x
  3. Step 3: Cross multiply
    359,694.72x = 539,425.22 × 119,744.15
  4. Step 4: Simplify right side
    359,694.72x = 64,593,011,161.62
  5. Step 5: Solve for x
    x = 64,593,011,161.62/359,694.72
  6. Step 6: Final answer
    x = 179,577.31

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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.