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Finding the Fourth Proportional to 80,793.57, 121,170.88 and 35,790.04

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Solution

The fourth proportional to 80,793.57, 121,170.88 and 35,790.04 is: 53,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,793.57 : 121,170.88 = 35,790.04 : x
  2. Step 2: Convert to fraction form
    80,793.57/121,170.88 = 35,790.04/x
  3. Step 3: Cross multiply
    80,793.57x = 121,170.88 × 35,790.04
  4. Step 4: Simplify right side
    80,793.57x = 4,336,710,975.92
  5. Step 5: Solve for x
    x = 4,336,710,975.92/80,793.57
  6. Step 6: Final answer
    x = 53,676.44

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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.