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Finding the Fourth Proportional to 88,115.84, 132,173.94 and 61,937.72

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Solution

The fourth proportional to 88,115.84, 132,173.94 and 61,937.72 is: 92,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.84 : 132,173.94 = 61,937.72 : x
  2. Step 2: Convert to fraction form
    88,115.84/132,173.94 = 61,937.72/x
  3. Step 3: Cross multiply
    88,115.84x = 132,173.94 × 61,937.72
  4. Step 4: Simplify right side
    88,115.84x = 8,186,552,487.02
  5. Step 5: Solve for x
    x = 8,186,552,487.02/88,115.84
  6. Step 6: Final answer
    x = 92,906.71

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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.