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Finding the Fourth Proportional to 80,596.80, 111,198.10 and 48,324.80

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Solution

The fourth proportional to 80,596.80, 111,198.10 and 48,324.80 is: 66,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,596.80 : 111,198.10 = 48,324.80 : x
  2. Step 2: Convert to fraction form
    80,596.80/111,198.10 = 48,324.80/x
  3. Step 3: Cross multiply
    80,596.80x = 111,198.10 × 48,324.80
  4. Step 4: Simplify right side
    80,596.80x = 5,373,625,942.88
  5. Step 5: Solve for x
    x = 5,373,625,942.88/80,596.80
  6. Step 6: Final answer
    x = 66,672.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.