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Finding the Fourth Proportional to 125,301.87, 188,046.24 and 50,422.68

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Solution

The fourth proportional to 125,301.87, 188,046.24 and 50,422.68 is: 75,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301.87 : 188,046.24 = 50,422.68 : x
  2. Step 2: Convert to fraction form
    125,301.87/188,046.24 = 50,422.68/x
  3. Step 3: Cross multiply
    125,301.87x = 188,046.24 × 50,422.68
  4. Step 4: Simplify right side
    125,301.87x = 9,481,795,384.72
  5. Step 5: Solve for x
    x = 9,481,795,384.72/125,301.87
  6. Step 6: Final answer
    x = 75,671.62

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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.