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Finding the Fourth Proportional to 240,086.37, 360,147.78 and 71,593.52

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Solution

The fourth proportional to 240,086.37, 360,147.78 and 71,593.52 is: 107,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,086.37 : 360,147.78 = 71,593.52 : x
  2. Step 2: Convert to fraction form
    240,086.37/360,147.78 = 71,593.52/x
  3. Step 3: Cross multiply
    240,086.37x = 360,147.78 × 71,593.52
  4. Step 4: Simplify right side
    240,086.37x = 25,784,245,489.65
  5. Step 5: Solve for x
    x = 25,784,245,489.65/240,086.37
  6. Step 6: Final answer
    x = 107,395.71

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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.