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Finding the Fourth Proportional to 80,576.96, 120,905.04 and 36,235.04

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Solution

The fourth proportional to 80,576.96, 120,905.04 and 36,235.04 is: 54,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,576.96 : 120,905.04 = 36,235.04 : x
  2. Step 2: Convert to fraction form
    80,576.96/120,905.04 = 36,235.04/x
  3. Step 3: Cross multiply
    80,576.96x = 120,905.04 × 36,235.04
  4. Step 4: Simplify right side
    80,576.96x = 4,380,998,960.60
  5. Step 5: Solve for x
    x = 4,380,998,960.60/80,576.96
  6. Step 6: Final answer
    x = 54,370.37

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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.