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Finding the Fourth Proportional to 73,197.96, 109,712.16 and 33,672.12

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Solution

The fourth proportional to 73,197.96, 109,712.16 and 33,672.12 is: 50,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,197.96 : 109,712.16 = 33,672.12 : x
  2. Step 2: Convert to fraction form
    73,197.96/109,712.16 = 33,672.12/x
  3. Step 3: Cross multiply
    73,197.96x = 109,712.16 × 33,672.12
  4. Step 4: Simplify right side
    73,197.96x = 3,694,241,016.98
  5. Step 5: Solve for x
    x = 3,694,241,016.98/73,197.96
  6. Step 6: Final answer
    x = 50,469.18

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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.