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Finding the Fourth Proportional to 88,000.63, 131,865.17 and 59,425.65

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Solution

The fourth proportional to 88,000.63, 131,865.17 and 59,425.65 is: 89,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.63 : 131,865.17 = 59,425.65 : x
  2. Step 2: Convert to fraction form
    88,000.63/131,865.17 = 59,425.65/x
  3. Step 3: Cross multiply
    88,000.63x = 131,865.17 × 59,425.65
  4. Step 4: Simplify right side
    88,000.63x = 7,836,173,142.48
  5. Step 5: Solve for x
    x = 7,836,173,142.48/88,000.63
  6. Step 6: Final answer
    x = 89,046.79

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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.