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Finding the Fourth Proportional to 168,450.70, 252,092.85 and 154,453.90

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Solution

The fourth proportional to 168,450.70, 252,092.85 and 154,453.90 is: 231,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,450.70 : 252,092.85 = 154,453.90 : x
  2. Step 2: Convert to fraction form
    168,450.70/252,092.85 = 154,453.90/x
  3. Step 3: Cross multiply
    168,450.70x = 252,092.85 × 154,453.90
  4. Step 4: Simplify right side
    168,450.70x = 38,936,723,844.62
  5. Step 5: Solve for x
    x = 38,936,723,844.62/168,450.70
  6. Step 6: Final answer
    x = 231,146.11

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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.