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Finding the Fourth Proportional to 80,576.76, 120,864.24 and 48,995.52

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Solution

The fourth proportional to 80,576.76, 120,864.24 and 48,995.52 is: 73,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,576.76 : 120,864.24 = 48,995.52 : x
  2. Step 2: Convert to fraction form
    80,576.76/120,864.24 = 48,995.52/x
  3. Step 3: Cross multiply
    80,576.76x = 120,864.24 × 48,995.52
  4. Step 4: Simplify right side
    80,576.76x = 5,921,806,288.20
  5. Step 5: Solve for x
    x = 5,921,806,288.20/80,576.76
  6. Step 6: Final answer
    x = 73,492.73

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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.