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Finding the Fourth Proportional to 80,325.75, 120,487.69 and 32,930.25

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Solution

The fourth proportional to 80,325.75, 120,487.69 and 32,930.25 is: 49,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.75 : 120,487.69 = 32,930.25 : x
  2. Step 2: Convert to fraction form
    80,325.75/120,487.69 = 32,930.25/x
  3. Step 3: Cross multiply
    80,325.75x = 120,487.69 × 32,930.25
  4. Step 4: Simplify right side
    80,325.75x = 3,967,689,753.62
  5. Step 5: Solve for x
    x = 3,967,689,753.62/80,325.75
  6. Step 6: Final answer
    x = 49,394.99

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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.