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Finding the Fourth Proportional to 79,449.92, 119,173.04 and 39,996.44

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Solution

The fourth proportional to 79,449.92, 119,173.04 and 39,996.44 is: 59,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,449.92 : 119,173.04 = 39,996.44 : x
  2. Step 2: Convert to fraction form
    79,449.92/119,173.04 = 39,996.44/x
  3. Step 3: Cross multiply
    79,449.92x = 119,173.04 × 39,996.44
  4. Step 4: Simplify right side
    79,449.92x = 4,766,497,343.98
  5. Step 5: Solve for x
    x = 4,766,497,343.98/79,449.92
  6. Step 6: Final answer
    x = 59,993.73

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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.