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Finding the Fourth Proportional to 88,418.73, 132,626.88 and 38,497.76

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Solution

The fourth proportional to 88,418.73, 132,626.88 and 38,497.76 is: 57,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,418.73 : 132,626.88 = 38,497.76 : x
  2. Step 2: Convert to fraction form
    88,418.73/132,626.88 = 38,497.76/x
  3. Step 3: Cross multiply
    88,418.73x = 132,626.88 × 38,497.76
  4. Step 4: Simplify right side
    88,418.73x = 5,105,837,132.65
  5. Step 5: Solve for x
    x = 5,105,837,132.65/88,418.73
  6. Step 6: Final answer
    x = 57,746.10

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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.