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Finding the Fourth Proportional to 100,049.28, 150,073.92 and 40,884.96

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Solution

The fourth proportional to 100,049.28, 150,073.92 and 40,884.96 is: 61,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,049.28 : 150,073.92 = 40,884.96 : x
  2. Step 2: Convert to fraction form
    100,049.28/150,073.92 = 40,884.96/x
  3. Step 3: Cross multiply
    100,049.28x = 150,073.92 × 40,884.96
  4. Step 4: Simplify right side
    100,049.28x = 6,135,766,216.24
  5. Step 5: Solve for x
    x = 6,135,766,216.24/100,049.28
  6. Step 6: Final answer
    x = 61,327.44

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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.