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Finding the Fourth Proportional to 359,557.38, 539,168.40 and 106,745.04

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Solution

The fourth proportional to 359,557.38, 539,168.40 and 106,745.04 is: 160,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,557.38 : 539,168.40 = 106,745.04 : x
  2. Step 2: Convert to fraction form
    359,557.38/539,168.40 = 106,745.04/x
  3. Step 3: Cross multiply
    359,557.38x = 539,168.40 × 106,745.04
  4. Step 4: Simplify right side
    359,557.38x = 57,553,552,424.74
  5. Step 5: Solve for x
    x = 57,553,552,424.74/359,557.38
  6. Step 6: Final answer
    x = 160,067.78

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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.