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Finding the Fourth Proportional to 242,359.28, 363,704.98 and 84,587.73

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Solution

The fourth proportional to 242,359.28, 363,704.98 and 84,587.73 is: 126,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,359.28 : 363,704.98 = 84,587.73 : x
  2. Step 2: Convert to fraction form
    242,359.28/363,704.98 = 84,587.73/x
  3. Step 3: Cross multiply
    242,359.28x = 363,704.98 × 84,587.73
  4. Step 4: Simplify right side
    242,359.28x = 30,764,978,647.90
  5. Step 5: Solve for x
    x = 30,764,978,647.90/242,359.28
  6. Step 6: Final answer
    x = 126,939.55

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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.