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Finding the Fourth Proportional to 144,974.97, 217,410.31 and 50,179.41

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Solution

The fourth proportional to 144,974.97, 217,410.31 and 50,179.41 is: 75,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,974.97 : 217,410.31 = 50,179.41 : x
  2. Step 2: Convert to fraction form
    144,974.97/217,410.31 = 50,179.41/x
  3. Step 3: Cross multiply
    144,974.97x = 217,410.31 × 50,179.41
  4. Step 4: Simplify right side
    144,974.97x = 10,909,520,958.27
  5. Step 5: Solve for x
    x = 10,909,520,958.27/144,974.97
  6. Step 6: Final answer
    x = 75,251.07

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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.