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Finding the Fourth Proportional to 359,982.58, 539,982.78 and 93,755.02

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Solution

The fourth proportional to 359,982.58, 539,982.78 and 93,755.02 is: 140,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,982.58 : 539,982.78 = 93,755.02 : x
  2. Step 2: Convert to fraction form
    359,982.58/539,982.78 = 93,755.02/x
  3. Step 3: Cross multiply
    359,982.58x = 539,982.78 × 93,755.02
  4. Step 4: Simplify right side
    359,982.58x = 50,626,096,338.56
  5. Step 5: Solve for x
    x = 50,626,096,338.56/359,982.58
  6. Step 6: Final answer
    x = 140,634.85

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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.