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Finding the Fourth Proportional to 148,753.97, 223,138.13 and 48,911.96

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Solution

The fourth proportional to 148,753.97, 223,138.13 and 48,911.96 is: 73,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,753.97 : 223,138.13 = 48,911.96 : x
  2. Step 2: Convert to fraction form
    148,753.97/223,138.13 = 48,911.96/x
  3. Step 3: Cross multiply
    148,753.97x = 223,138.13 × 48,911.96
  4. Step 4: Simplify right side
    148,753.97x = 10,914,122,410.26
  5. Step 5: Solve for x
    x = 10,914,122,410.26/148,753.97
  6. Step 6: Final answer
    x = 73,370.29

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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.