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Finding the Fourth Proportional to 88,234.76, 132,376.85 and 35,681.15

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Solution

The fourth proportional to 88,234.76, 132,376.85 and 35,681.15 is: 53,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,234.76 : 132,376.85 = 35,681.15 : x
  2. Step 2: Convert to fraction form
    88,234.76/132,376.85 = 35,681.15/x
  3. Step 3: Cross multiply
    88,234.76x = 132,376.85 × 35,681.15
  4. Step 4: Simplify right side
    88,234.76x = 4,723,357,401.09
  5. Step 5: Solve for x
    x = 4,723,357,401.09/88,234.76
  6. Step 6: Final answer
    x = 53,531.71

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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.