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Finding the Fourth Proportional to 275,299.27, 412,910.02 and 88,286.47

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Solution

The fourth proportional to 275,299.27, 412,910.02 and 88,286.47 is: 132,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,299.27 : 412,910.02 = 88,286.47 : x
  2. Step 2: Convert to fraction form
    275,299.27/412,910.02 = 88,286.47/x
  3. Step 3: Cross multiply
    275,299.27x = 412,910.02 × 88,286.47
  4. Step 4: Simplify right side
    275,299.27x = 36,454,368,093.43
  5. Step 5: Solve for x
    x = 36,454,368,093.43/275,299.27
  6. Step 6: Final answer
    x = 132,417.23

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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.