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Finding the Fourth Proportional to 80,232.68, 110,686.24 and 48,383.88

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Solution

The fourth proportional to 80,232.68, 110,686.24 and 48,383.88 is: 66,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,232.68 : 110,686.24 = 48,383.88 : x
  2. Step 2: Convert to fraction form
    80,232.68/110,686.24 = 48,383.88/x
  3. Step 3: Cross multiply
    80,232.68x = 110,686.24 × 48,383.88
  4. Step 4: Simplify right side
    80,232.68x = 5,355,429,753.81
  5. Step 5: Solve for x
    x = 5,355,429,753.81/80,232.68
  6. Step 6: Final answer
    x = 66,748.73

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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.