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Finding the Fourth Proportional to 63,922.84, 96,022.50 and 54,081.88

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Solution

The fourth proportional to 63,922.84, 96,022.50 and 54,081.88 is: 81,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,922.84 : 96,022.50 = 54,081.88 : x
  2. Step 2: Convert to fraction form
    63,922.84/96,022.50 = 54,081.88/x
  3. Step 3: Cross multiply
    63,922.84x = 96,022.50 × 54,081.88
  4. Step 4: Simplify right side
    63,922.84x = 5,193,077,322.30
  5. Step 5: Solve for x
    x = 5,193,077,322.30/63,922.84
  6. Step 6: Final answer
    x = 81,239.78

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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.