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Finding the Fourth Proportional to 80,150.60, 120,267.81 and 32,800.83

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Solution

The fourth proportional to 80,150.60, 120,267.81 and 32,800.83 is: 49,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150.60 : 120,267.81 = 32,800.83 : x
  2. Step 2: Convert to fraction form
    80,150.60/120,267.81 = 32,800.83/x
  3. Step 3: Cross multiply
    80,150.60x = 120,267.81 × 32,800.83
  4. Step 4: Simplify right side
    80,150.60x = 3,944,883,990.28
  5. Step 5: Solve for x
    x = 3,944,883,990.28/80,150.60
  6. Step 6: Final answer
    x = 49,218.40

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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.