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Finding the Fourth Proportional to 88,906.80, 122,694.69 and 48,618.18

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Solution

The fourth proportional to 88,906.80, 122,694.69 and 48,618.18 is: 67,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,906.80 : 122,694.69 = 48,618.18 : x
  2. Step 2: Convert to fraction form
    88,906.80/122,694.69 = 48,618.18/x
  3. Step 3: Cross multiply
    88,906.80x = 122,694.69 × 48,618.18
  4. Step 4: Simplify right side
    88,906.80x = 5,965,192,523.46
  5. Step 5: Solve for x
    x = 5,965,192,523.46/88,906.80
  6. Step 6: Final answer
    x = 67,094.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.