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Finding the Fourth Proportional to 281,856.29, 422,221.13 and 169,474.97

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Solution

The fourth proportional to 281,856.29, 422,221.13 and 169,474.97 is: 253,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,856.29 : 422,221.13 = 169,474.97 : x
  2. Step 2: Convert to fraction form
    281,856.29/422,221.13 = 169,474.97/x
  3. Step 3: Cross multiply
    281,856.29x = 422,221.13 × 169,474.97
  4. Step 4: Simplify right side
    281,856.29x = 71,555,910,381.64
  5. Step 5: Solve for x
    x = 71,555,910,381.64/281,856.29
  6. Step 6: Final answer
    x = 253,873.74

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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.