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Finding the Fourth Proportional to 244,286.88, 366,434.90 and 75,812.70

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Solution

The fourth proportional to 244,286.88, 366,434.90 and 75,812.70 is: 113,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,286.88 : 366,434.90 = 75,812.70 : x
  2. Step 2: Convert to fraction form
    244,286.88/366,434.90 = 75,812.70/x
  3. Step 3: Cross multiply
    244,286.88x = 366,434.90 × 75,812.70
  4. Step 4: Simplify right side
    244,286.88x = 27,780,419,143.23
  5. Step 5: Solve for x
    x = 27,780,419,143.23/244,286.88
  6. Step 6: Final answer
    x = 113,720.47

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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.