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Finding the Fourth Proportional to 88,472.64, 132,731.44 and 26,143.14

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Solution

The fourth proportional to 88,472.64, 132,731.44 and 26,143.14 is: 39,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,472.64 : 132,731.44 = 26,143.14 : x
  2. Step 2: Convert to fraction form
    88,472.64/132,731.44 = 26,143.14/x
  3. Step 3: Cross multiply
    88,472.64x = 132,731.44 × 26,143.14
  4. Step 4: Simplify right side
    88,472.64x = 3,470,016,618.32
  5. Step 5: Solve for x
    x = 3,470,016,618.32/88,472.64
  6. Step 6: Final answer
    x = 39,221.35

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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.