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Finding the Fourth Proportional to 147,249.28, 220,873.92 and 36,441.28

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Solution

The fourth proportional to 147,249.28, 220,873.92 and 36,441.28 is: 54,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,249.28 : 220,873.92 = 36,441.28 : x
  2. Step 2: Convert to fraction form
    147,249.28/220,873.92 = 36,441.28/x
  3. Step 3: Cross multiply
    147,249.28x = 220,873.92 × 36,441.28
  4. Step 4: Simplify right side
    147,249.28x = 8,048,928,363.42
  5. Step 5: Solve for x
    x = 8,048,928,363.42/147,249.28
  6. Step 6: Final answer
    x = 54,661.92

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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.