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Finding the Fourth Proportional to 150,321.96, 225,565.92 and 83,799.54

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Solution

The fourth proportional to 150,321.96, 225,565.92 and 83,799.54 is: 125,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,321.96 : 225,565.92 = 83,799.54 : x
  2. Step 2: Convert to fraction form
    150,321.96/225,565.92 = 83,799.54/x
  3. Step 3: Cross multiply
    150,321.96x = 225,565.92 × 83,799.54
  4. Step 4: Simplify right side
    150,321.96x = 18,902,320,335.68
  5. Step 5: Solve for x
    x = 18,902,320,335.68/150,321.96
  6. Step 6: Final answer
    x = 125,745.57

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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.