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Finding the Fourth Proportional to 73,605.28, 110,335.92 and 29,217.28

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Solution

The fourth proportional to 73,605.28, 110,335.92 and 29,217.28 is: 43,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,605.28 : 110,335.92 = 29,217.28 : x
  2. Step 2: Convert to fraction form
    73,605.28/110,335.92 = 29,217.28/x
  3. Step 3: Cross multiply
    73,605.28x = 110,335.92 × 29,217.28
  4. Step 4: Simplify right side
    73,605.28x = 3,223,715,468.70
  5. Step 5: Solve for x
    x = 3,223,715,468.70/73,605.28
  6. Step 6: Final answer
    x = 43,797.34

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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.