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Finding the Fourth Proportional to 137,404.44, 206,107.12 and 48,660.54

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Solution

The fourth proportional to 137,404.44, 206,107.12 and 48,660.54 is: 72,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,404.44 : 206,107.12 = 48,660.54 : x
  2. Step 2: Convert to fraction form
    137,404.44/206,107.12 = 48,660.54/x
  3. Step 3: Cross multiply
    137,404.44x = 206,107.12 × 48,660.54
  4. Step 4: Simplify right side
    137,404.44x = 10,029,283,044.97
  5. Step 5: Solve for x
    x = 10,029,283,044.97/137,404.44
  6. Step 6: Final answer
    x = 72,990.97

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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.