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Finding the Fourth Proportional to 221,694.39, 332,535.92 and 61,769.61

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Solution

The fourth proportional to 221,694.39, 332,535.92 and 61,769.61 is: 92,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,694.39 : 332,535.92 = 61,769.61 : x
  2. Step 2: Convert to fraction form
    221,694.39/332,535.92 = 61,769.61/x
  3. Step 3: Cross multiply
    221,694.39x = 332,535.92 × 61,769.61
  4. Step 4: Simplify right side
    221,694.39x = 20,540,613,780.54
  5. Step 5: Solve for x
    x = 20,540,613,780.54/221,694.39
  6. Step 6: Final answer
    x = 92,652.84

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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.