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Finding the Fourth Proportional to 359,753.97, 539,536.95 and 106,966.39

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Solution

The fourth proportional to 359,753.97, 539,536.95 and 106,966.39 is: 160,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,753.97 : 539,536.95 = 106,966.39 : x
  2. Step 2: Convert to fraction form
    359,753.97/539,536.95 = 106,966.39/x
  3. Step 3: Cross multiply
    359,753.97x = 539,536.95 × 106,966.39
  4. Step 4: Simplify right side
    359,753.97x = 57,712,319,475.90
  5. Step 5: Solve for x
    x = 57,712,319,475.90/359,753.97
  6. Step 6: Final answer
    x = 160,421.63

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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.