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Finding the Fourth Proportional to 80,535.60, 120,846.60 and 33,793.20

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Solution

The fourth proportional to 80,535.60, 120,846.60 and 33,793.20 is: 50,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.60 : 120,846.60 = 33,793.20 : x
  2. Step 2: Convert to fraction form
    80,535.60/120,846.60 = 33,793.20/x
  3. Step 3: Cross multiply
    80,535.60x = 120,846.60 × 33,793.20
  4. Step 4: Simplify right side
    80,535.60x = 4,083,793,323.12
  5. Step 5: Solve for x
    x = 4,083,793,323.12/80,535.60
  6. Step 6: Final answer
    x = 50,707.93

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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.