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Finding the Fourth Proportional to 80,158.79, 110,543.45 and 59,785.85

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Solution

The fourth proportional to 80,158.79, 110,543.45 and 59,785.85 is: 82,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,158.79 : 110,543.45 = 59,785.85 : x
  2. Step 2: Convert to fraction form
    80,158.79/110,543.45 = 59,785.85/x
  3. Step 3: Cross multiply
    80,158.79x = 110,543.45 × 59,785.85
  4. Step 4: Simplify right side
    80,158.79x = 6,608,933,268.54
  5. Step 5: Solve for x
    x = 6,608,933,268.54/80,158.79
  6. Step 6: Final answer
    x = 82,448.02

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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.