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Finding the Fourth Proportional to 75,103.20, 112,637.88 and 22,505.88

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Solution

The fourth proportional to 75,103.20, 112,637.88 and 22,505.88 is: 33,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.20 : 112,637.88 = 22,505.88 : x
  2. Step 2: Convert to fraction form
    75,103.20/112,637.88 = 22,505.88/x
  3. Step 3: Cross multiply
    75,103.20x = 112,637.88 × 22,505.88
  4. Step 4: Simplify right side
    75,103.20x = 2,535,014,610.73
  5. Step 5: Solve for x
    x = 2,535,014,610.73/75,103.20
  6. Step 6: Final answer
    x = 33,753.75

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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.