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Finding the Fourth Proportional to 150,379.50, 225,569.25 and 45,198.57

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Solution

The fourth proportional to 150,379.50, 225,569.25 and 45,198.57 is: 67,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,379.50 : 225,569.25 = 45,198.57 : x
  2. Step 2: Convert to fraction form
    150,379.50/225,569.25 = 45,198.57/x
  3. Step 3: Cross multiply
    150,379.50x = 225,569.25 × 45,198.57
  4. Step 4: Simplify right side
    150,379.50x = 10,195,407,535.97
  5. Step 5: Solve for x
    x = 10,195,407,535.97/150,379.50
  6. Step 6: Final answer
    x = 67,797.86

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1.5x scale

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.