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Finding the Fourth Proportional to 80,168.92, 110,613.20 and 51,840.52

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Solution

The fourth proportional to 80,168.92, 110,613.20 and 51,840.52 is: 71,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,168.92 : 110,613.20 = 51,840.52 : x
  2. Step 2: Convert to fraction form
    80,168.92/110,613.20 = 51,840.52/x
  3. Step 3: Cross multiply
    80,168.92x = 110,613.20 × 51,840.52
  4. Step 4: Simplify right side
    80,168.92x = 5,734,245,806.86
  5. Step 5: Solve for x
    x = 5,734,245,806.86/80,168.92
  6. Step 6: Final answer
    x = 71,527.04

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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.