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Finding the Fourth Proportional to 63,861.75, 95,877.41 and 54,561.51

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Solution

The fourth proportional to 63,861.75, 95,877.41 and 54,561.51 is: 81,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,861.75 : 95,877.41 = 54,561.51 : x
  2. Step 2: Convert to fraction form
    63,861.75/95,877.41 = 54,561.51/x
  3. Step 3: Cross multiply
    63,861.75x = 95,877.41 × 54,561.51
  4. Step 4: Simplify right side
    63,861.75x = 5,231,215,991.68
  5. Step 5: Solve for x
    x = 5,231,215,991.68/63,861.75
  6. Step 6: Final answer
    x = 81,914.70

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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.