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Finding the Fourth Proportional to 66,191.52, 99,049.44 and 48,617.76

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Solution

The fourth proportional to 66,191.52, 99,049.44 and 48,617.76 is: 72,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,191.52 : 99,049.44 = 48,617.76 : x
  2. Step 2: Convert to fraction form
    66,191.52/99,049.44 = 48,617.76/x
  3. Step 3: Cross multiply
    66,191.52x = 99,049.44 × 48,617.76
  4. Step 4: Simplify right side
    66,191.52x = 4,815,561,902.05
  5. Step 5: Solve for x
    x = 4,815,561,902.05/66,191.52
  6. Step 6: Final answer
    x = 72,751.95

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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.