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Finding the Fourth Proportional to 88,115.80, 132,173.94 and 61,937.64

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Solution

The fourth proportional to 88,115.80, 132,173.94 and 61,937.64 is: 92,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.80 : 132,173.94 = 61,937.64 : x
  2. Step 2: Convert to fraction form
    88,115.80/132,173.94 = 61,937.64/x
  3. Step 3: Cross multiply
    88,115.80x = 132,173.94 × 61,937.64
  4. Step 4: Simplify right side
    88,115.80x = 8,186,541,913.10
  5. Step 5: Solve for x
    x = 8,186,541,913.10/88,115.80
  6. Step 6: Final answer
    x = 92,906.63

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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.