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Finding the Fourth Proportional to 88,411.57, 132,618.74 and 49,217.79

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Solution

The fourth proportional to 88,411.57, 132,618.74 and 49,217.79 is: 73,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,411.57 : 132,618.74 = 49,217.79 : x
  2. Step 2: Convert to fraction form
    88,411.57/132,618.74 = 49,217.79/x
  3. Step 3: Cross multiply
    88,411.57x = 132,618.74 × 49,217.79
  4. Step 4: Simplify right side
    88,411.57x = 6,527,201,546.62
  5. Step 5: Solve for x
    x = 6,527,201,546.62/88,411.57
  6. Step 6: Final answer
    x = 73,827.46

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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.