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Finding the Fourth Proportional to 88,974.86, 133,369.34 and 29,761.83

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Solution

The fourth proportional to 88,974.86, 133,369.34 and 29,761.83 is: 44,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,974.86 : 133,369.34 = 29,761.83 : x
  2. Step 2: Convert to fraction form
    88,974.86/133,369.34 = 29,761.83/x
  3. Step 3: Cross multiply
    88,974.86x = 133,369.34 × 29,761.83
  4. Step 4: Simplify right side
    88,974.86x = 3,969,315,475.48
  5. Step 5: Solve for x
    x = 3,969,315,475.48/88,974.86
  6. Step 6: Final answer
    x = 44,611.65

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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.