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Finding the Fourth Proportional to 63,680.65, 95,324.11 and 54,232.81

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Solution

The fourth proportional to 63,680.65, 95,324.11 and 54,232.81 is: 81,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.65 : 95,324.11 = 54,232.81 : x
  2. Step 2: Convert to fraction form
    63,680.65/95,324.11 = 54,232.81/x
  3. Step 3: Cross multiply
    63,680.65x = 95,324.11 × 54,232.81
  4. Step 4: Simplify right side
    63,680.65x = 5,169,693,972.16
  5. Step 5: Solve for x
    x = 5,169,693,972.16/63,680.65
  6. Step 6: Final answer
    x = 81,181.55

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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.