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Finding the Fourth Proportional to 149,373.20, 224,059.80 and 38,565.20

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Solution

The fourth proportional to 149,373.20, 224,059.80 and 38,565.20 is: 57,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,373.20 : 224,059.80 = 38,565.20 : x
  2. Step 2: Convert to fraction form
    149,373.20/224,059.80 = 38,565.20/x
  3. Step 3: Cross multiply
    149,373.20x = 224,059.80 × 38,565.20
  4. Step 4: Simplify right side
    149,373.20x = 8,640,910,998.96
  5. Step 5: Solve for x
    x = 8,640,910,998.96/149,373.20
  6. Step 6: Final answer
    x = 57,847.80

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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.