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Finding the Fourth Proportional to 200,380.46, 300,622.97 and 88,082.79

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Solution

The fourth proportional to 200,380.46, 300,622.97 and 88,082.79 is: 132,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,380.46 : 300,622.97 = 88,082.79 : x
  2. Step 2: Convert to fraction form
    200,380.46/300,622.97 = 88,082.79/x
  3. Step 3: Cross multiply
    200,380.46x = 300,622.97 × 88,082.79
  4. Step 4: Simplify right side
    200,380.46x = 26,479,710,471.83
  5. Step 5: Solve for x
    x = 26,479,710,471.83/200,380.46
  6. Step 6: Final answer
    x = 132,147.17

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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.