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Finding the Fourth Proportional to 359,167.20, 538,753.49 and 159,433.89

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Solution

The fourth proportional to 359,167.20, 538,753.49 and 159,433.89 is: 239,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,167.20 : 538,753.49 = 159,433.89 : x
  2. Step 2: Convert to fraction form
    359,167.20/538,753.49 = 159,433.89/x
  3. Step 3: Cross multiply
    359,167.20x = 538,753.49 × 159,433.89
  4. Step 4: Simplify right side
    359,167.20x = 85,895,564,661.78
  5. Step 5: Solve for x
    x = 85,895,564,661.78/359,167.20
  6. Step 6: Final answer
    x = 239,152.03

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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.