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Finding the Fourth Proportional to 88,677.92, 122,373.90 and 48,390.66

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Solution

The fourth proportional to 88,677.92, 122,373.90 and 48,390.66 is: 66,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,677.92 : 122,373.90 = 48,390.66 : x
  2. Step 2: Convert to fraction form
    88,677.92/122,373.90 = 48,390.66/x
  3. Step 3: Cross multiply
    88,677.92x = 122,373.90 × 48,390.66
  4. Step 4: Simplify right side
    88,677.92x = 5,921,753,787.77
  5. Step 5: Solve for x
    x = 5,921,753,787.77/88,677.92
  6. Step 6: Final answer
    x = 66,778.22

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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.