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Finding the Fourth Proportional to 73,198.96, 109,713.66 and 33,673.12

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Solution

The fourth proportional to 73,198.96, 109,713.66 and 33,673.12 is: 50,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,198.96 : 109,713.66 = 33,673.12 : x
  2. Step 2: Convert to fraction form
    73,198.96/109,713.66 = 33,673.12/x
  3. Step 3: Cross multiply
    73,198.96x = 109,713.66 × 33,673.12
  4. Step 4: Simplify right side
    73,198.96x = 3,694,401,238.82
  5. Step 5: Solve for x
    x = 3,694,401,238.82/73,198.96
  6. Step 6: Final answer
    x = 50,470.68

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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.