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Finding the Fourth Proportional to 61,273.20, 91,909.80 and 24,337.20

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Solution

The fourth proportional to 61,273.20, 91,909.80 and 24,337.20 is: 36,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,273.20 : 91,909.80 = 24,337.20 : x
  2. Step 2: Convert to fraction form
    61,273.20/91,909.80 = 24,337.20/x
  3. Step 3: Cross multiply
    61,273.20x = 91,909.80 × 24,337.20
  4. Step 4: Simplify right side
    61,273.20x = 2,236,827,184.56
  5. Step 5: Solve for x
    x = 2,236,827,184.56/61,273.20
  6. Step 6: Final answer
    x = 36,505.80

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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.