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Finding the Fourth Proportional to 88,511.72, 132,787.02 and 49,126.28

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Solution

The fourth proportional to 88,511.72, 132,787.02 and 49,126.28 is: 73,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.72 : 132,787.02 = 49,126.28 : x
  2. Step 2: Convert to fraction form
    88,511.72/132,787.02 = 49,126.28/x
  3. Step 3: Cross multiply
    88,511.72x = 132,787.02 × 49,126.28
  4. Step 4: Simplify right side
    88,511.72x = 6,523,332,324.89
  5. Step 5: Solve for x
    x = 6,523,332,324.89/88,511.72
  6. Step 6: Final answer
    x = 73,700.21

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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.