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Finding the Fourth Proportional to 204,169.72, 306,254.52 and 63,939.28

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Solution

The fourth proportional to 204,169.72, 306,254.52 and 63,939.28 is: 95,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,169.72 : 306,254.52 = 63,939.28 : x
  2. Step 2: Convert to fraction form
    204,169.72/306,254.52 = 63,939.28/x
  3. Step 3: Cross multiply
    204,169.72x = 306,254.52 × 63,939.28
  4. Step 4: Simplify right side
    204,169.72x = 19,581,693,505.55
  5. Step 5: Solve for x
    x = 19,581,693,505.55/204,169.72
  6. Step 6: Final answer
    x = 95,908.90

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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.