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Finding the Fourth Proportional to 273,198.33, 409,760.58 and 73,530.70

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Solution

The fourth proportional to 273,198.33, 409,760.58 and 73,530.70 is: 110,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,198.33 : 409,760.58 = 73,530.70 : x
  2. Step 2: Convert to fraction form
    273,198.33/409,760.58 = 73,530.70/x
  3. Step 3: Cross multiply
    273,198.33x = 409,760.58 × 73,530.70
  4. Step 4: Simplify right side
    273,198.33x = 30,129,981,255.40
  5. Step 5: Solve for x
    x = 30,129,981,255.40/273,198.33
  6. Step 6: Final answer
    x = 110,286.11

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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.