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Finding the Fourth Proportional to 124,843.88, 187,265.82 and 54,708.68

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Solution

The fourth proportional to 124,843.88, 187,265.82 and 54,708.68 is: 82,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.88 : 187,265.82 = 54,708.68 : x
  2. Step 2: Convert to fraction form
    124,843.88/187,265.82 = 54,708.68/x
  3. Step 3: Cross multiply
    124,843.88x = 187,265.82 × 54,708.68
  4. Step 4: Simplify right side
    124,843.88x = 10,245,065,821.32
  5. Step 5: Solve for x
    x = 10,245,065,821.32/124,843.88
  6. Step 6: Final answer
    x = 82,063.02

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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.