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Finding the Fourth Proportional to 221,796.27, 332,789.72 and 72,082.44

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Solution

The fourth proportional to 221,796.27, 332,789.72 and 72,082.44 is: 108,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,796.27 : 332,789.72 = 72,082.44 : x
  2. Step 2: Convert to fraction form
    221,796.27/332,789.72 = 72,082.44/x
  3. Step 3: Cross multiply
    221,796.27x = 332,789.72 × 72,082.44
  4. Step 4: Simplify right side
    221,796.27x = 23,988,294,664.10
  5. Step 5: Solve for x
    x = 23,988,294,664.10/221,796.27
  6. Step 6: Final answer
    x = 108,154.64

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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.