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Finding the Fourth Proportional to 85,248.68, 127,874.22 and 32,660.84

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Solution

The fourth proportional to 85,248.68, 127,874.22 and 32,660.84 is: 48,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248.68 : 127,874.22 = 32,660.84 : x
  2. Step 2: Convert to fraction form
    85,248.68/127,874.22 = 32,660.84/x
  3. Step 3: Cross multiply
    85,248.68x = 127,874.22 × 32,660.84
  4. Step 4: Simplify right side
    85,248.68x = 4,176,479,439.54
  5. Step 5: Solve for x
    x = 4,176,479,439.54/85,248.68
  6. Step 6: Final answer
    x = 48,991.72

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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.