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Finding the Fourth Proportional to 63,851.55, 95,861.96 and 54,551.33

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Solution

The fourth proportional to 63,851.55, 95,861.96 and 54,551.33 is: 81,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,851.55 : 95,861.96 = 54,551.33 : x
  2. Step 2: Convert to fraction form
    63,851.55/95,861.96 = 54,551.33/x
  3. Step 3: Cross multiply
    63,851.55x = 95,861.96 × 54,551.33
  4. Step 4: Simplify right side
    63,851.55x = 5,229,397,414.41
  5. Step 5: Solve for x
    x = 5,229,397,414.41/63,851.55
  6. Step 6: Final answer
    x = 81,899.30

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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.