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Finding the Fourth Proportional to 79,487.73, 119,249.11 and 44,000.81

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Solution

The fourth proportional to 79,487.73, 119,249.11 and 44,000.81 is: 66,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,487.73 : 119,249.11 = 44,000.81 : x
  2. Step 2: Convert to fraction form
    79,487.73/119,249.11 = 44,000.81/x
  3. Step 3: Cross multiply
    79,487.73x = 119,249.11 × 44,000.81
  4. Step 4: Simplify right side
    79,487.73x = 5,247,056,949.12
  5. Step 5: Solve for x
    x = 5,247,056,949.12/79,487.73
  6. Step 6: Final answer
    x = 66,010.91

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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.