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Finding the Fourth Proportional to 88,644.54, 132,972.84 and 25,459.83

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Solution

The fourth proportional to 88,644.54, 132,972.84 and 25,459.83 is: 38,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,644.54 : 132,972.84 = 25,459.83 : x
  2. Step 2: Convert to fraction form
    88,644.54/132,972.84 = 25,459.83/x
  3. Step 3: Cross multiply
    88,644.54x = 132,972.84 × 25,459.83
  4. Step 4: Simplify right side
    88,644.54x = 3,385,465,901.02
  5. Step 5: Solve for x
    x = 3,385,465,901.02/88,644.54
  6. Step 6: Final answer
    x = 38,191.48

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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.