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Finding the Fourth Proportional to 150,590.38, 225,773.20 and 90,604.80

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Solution

The fourth proportional to 150,590.38, 225,773.20 and 90,604.80 is: 135,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,590.38 : 225,773.20 = 90,604.80 : x
  2. Step 2: Convert to fraction form
    150,590.38/225,773.20 = 90,604.80/x
  3. Step 3: Cross multiply
    150,590.38x = 225,773.20 × 90,604.80
  4. Step 4: Simplify right side
    150,590.38x = 20,456,135,631.36
  5. Step 5: Solve for x
    x = 20,456,135,631.36/150,590.38
  6. Step 6: Final answer
    x = 135,839.59

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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.