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Finding the Fourth Proportional to 248,469.90, 372,753.45 and 106,314.90

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Solution

The fourth proportional to 248,469.90, 372,753.45 and 106,314.90 is: 159,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469.90 : 372,753.45 = 106,314.90 : x
  2. Step 2: Convert to fraction form
    248,469.90/372,753.45 = 106,314.90/x
  3. Step 3: Cross multiply
    248,469.90x = 372,753.45 × 106,314.90
  4. Step 4: Simplify right side
    248,469.90x = 39,629,245,761.41
  5. Step 5: Solve for x
    x = 39,629,245,761.41/248,469.90
  6. Step 6: Final answer
    x = 159,493.14

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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.