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Finding the Fourth Proportional to 359,560.38, 539,172.90 and 106,748.04

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Solution

The fourth proportional to 359,560.38, 539,172.90 and 106,748.04 is: 160,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,560.38 : 539,172.90 = 106,748.04 : x
  2. Step 2: Convert to fraction form
    359,560.38/539,172.90 = 106,748.04/x
  3. Step 3: Cross multiply
    359,560.38x = 539,172.90 × 106,748.04
  4. Step 4: Simplify right side
    359,560.38x = 57,555,650,296.12
  5. Step 5: Solve for x
    x = 57,555,650,296.12/359,560.38
  6. Step 6: Final answer
    x = 160,072.28

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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.