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Finding the Fourth Proportional to 63,654.66, 87,808.05 and 59,149.44

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Solution

The fourth proportional to 63,654.66, 87,808.05 and 59,149.44 is: 81,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,654.66 : 87,808.05 = 59,149.44 : x
  2. Step 2: Convert to fraction form
    63,654.66/87,808.05 = 59,149.44/x
  3. Step 3: Cross multiply
    63,654.66x = 87,808.05 × 59,149.44
  4. Step 4: Simplify right side
    63,654.66x = 5,193,796,984.99
  5. Step 5: Solve for x
    x = 5,193,796,984.99/63,654.66
  6. Step 6: Final answer
    x = 81,593.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.