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Finding the Fourth Proportional to 204,167.72, 306,251.52 and 63,937.28

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Solution

The fourth proportional to 204,167.72, 306,251.52 and 63,937.28 is: 95,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,167.72 : 306,251.52 = 63,937.28 : x
  2. Step 2: Convert to fraction form
    204,167.72/306,251.52 = 63,937.28/x
  3. Step 3: Cross multiply
    204,167.72x = 306,251.52 × 63,937.28
  4. Step 4: Simplify right side
    204,167.72x = 19,580,889,184.67
  5. Step 5: Solve for x
    x = 19,580,889,184.67/204,167.72
  6. Step 6: Final answer
    x = 95,905.90

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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.