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Finding the Fourth Proportional to 73,321.70, 101,183.46 and 41,489.90

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Solution

The fourth proportional to 73,321.70, 101,183.46 and 41,489.90 is: 57,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,321.70 : 101,183.46 = 41,489.90 : x
  2. Step 2: Convert to fraction form
    73,321.70/101,183.46 = 41,489.90/x
  3. Step 3: Cross multiply
    73,321.70x = 101,183.46 × 41,489.90
  4. Step 4: Simplify right side
    73,321.70x = 4,198,091,637.05
  5. Step 5: Solve for x
    x = 4,198,091,637.05/73,321.70
  6. Step 6: Final answer
    x = 57,255.79

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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.