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Finding the Fourth Proportional to 150,211.80, 225,380.52 and 65,928.48

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Solution

The fourth proportional to 150,211.80, 225,380.52 and 65,928.48 is: 98,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,211.80 : 225,380.52 = 65,928.48 : x
  2. Step 2: Convert to fraction form
    150,211.80/225,380.52 = 65,928.48/x
  3. Step 3: Cross multiply
    150,211.80x = 225,380.52 × 65,928.48
  4. Step 4: Simplify right side
    150,211.80x = 14,858,995,105.21
  5. Step 5: Solve for x
    x = 14,858,995,105.21/150,211.80
  6. Step 6: Final answer
    x = 98,920.29

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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.