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Finding the Fourth Proportional to 359,554.38, 539,191.39 and 134,792.29

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Solution

The fourth proportional to 359,554.38, 539,191.39 and 134,792.29 is: 202,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,554.38 : 539,191.39 = 134,792.29 : x
  2. Step 2: Convert to fraction form
    359,554.38/539,191.39 = 134,792.29/x
  3. Step 3: Cross multiply
    359,554.38x = 539,191.39 × 134,792.29
  4. Step 4: Simplify right side
    359,554.38x = 72,678,838,836.46
  5. Step 5: Solve for x
    x = 72,678,838,836.46/359,554.38
  6. Step 6: Final answer
    x = 202,135.87

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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.