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Finding the Fourth Proportional to 148,359.56, 204,736.24 and 80,377.00

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Solution

The fourth proportional to 148,359.56, 204,736.24 and 80,377.00 is: 110,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359.56 : 204,736.24 = 80,377.00 : x
  2. Step 2: Convert to fraction form
    148,359.56/204,736.24 = 80,377.00/x
  3. Step 3: Cross multiply
    148,359.56x = 204,736.24 × 80,377.00
  4. Step 4: Simplify right side
    148,359.56x = 16,456,085,502.75
  5. Step 5: Solve for x
    x = 16,456,085,502.75/148,359.56
  6. Step 6: Final answer
    x = 110,920.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.