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Finding the Fourth Proportional to 367,183.46, 550,830.78 and 130,469.87

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Solution

The fourth proportional to 367,183.46, 550,830.78 and 130,469.87 is: 195,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,183.46 : 550,830.78 = 130,469.87 : x
  2. Step 2: Convert to fraction form
    367,183.46/550,830.78 = 130,469.87/x
  3. Step 3: Cross multiply
    367,183.46x = 550,830.78 × 130,469.87
  4. Step 4: Simplify right side
    367,183.46x = 71,866,821,635.68
  5. Step 5: Solve for x
    x = 71,866,821,635.68/367,183.46
  6. Step 6: Final answer
    x = 195,724.56

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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.