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Finding the Fourth Proportional to 217,566.28, 326,353.02 and 59,793.76

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Solution

The fourth proportional to 217,566.28, 326,353.02 and 59,793.76 is: 89,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,566.28 : 326,353.02 = 59,793.76 : x
  2. Step 2: Convert to fraction form
    217,566.28/326,353.02 = 59,793.76/x
  3. Step 3: Cross multiply
    217,566.28x = 326,353.02 × 59,793.76
  4. Step 4: Simplify right side
    217,566.28x = 19,513,874,153.16
  5. Step 5: Solve for x
    x = 19,513,874,153.16/217,566.28
  6. Step 6: Final answer
    x = 89,691.63

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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.