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Finding the Fourth Proportional to 188,049.44, 282,100.50 and 54,939.44

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Solution

The fourth proportional to 188,049.44, 282,100.50 and 54,939.44 is: 82,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,049.44 : 282,100.50 = 54,939.44 : x
  2. Step 2: Convert to fraction form
    188,049.44/282,100.50 = 54,939.44/x
  3. Step 3: Cross multiply
    188,049.44x = 282,100.50 × 54,939.44
  4. Step 4: Simplify right side
    188,049.44x = 15,498,443,493.72
  5. Step 5: Solve for x
    x = 15,498,443,493.72/188,049.44
  6. Step 6: Final answer
    x = 82,416.86

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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.