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Finding the Fourth Proportional to 148,450.80, 222,481.80 and 131,732.40

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Solution

The fourth proportional to 148,450.80, 222,481.80 and 131,732.40 is: 197,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,450.80 : 222,481.80 = 131,732.40 : x
  2. Step 2: Convert to fraction form
    148,450.80/222,481.80 = 131,732.40/x
  3. Step 3: Cross multiply
    148,450.80x = 222,481.80 × 131,732.40
  4. Step 4: Simplify right side
    148,450.80x = 29,308,061,470.32
  5. Step 5: Solve for x
    x = 29,308,061,470.32/148,450.80
  6. Step 6: Final answer
    x = 197,426.09

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1.5x scale

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.