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Finding the Fourth Proportional to 148,305.66, 204,660.66 and 80,321.04

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Solution

The fourth proportional to 148,305.66, 204,660.66 and 80,321.04 is: 110,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,305.66 : 204,660.66 = 80,321.04 : x
  2. Step 2: Convert to fraction form
    148,305.66/204,660.66 = 80,321.04/x
  3. Step 3: Cross multiply
    148,305.66x = 204,660.66 × 80,321.04
  4. Step 4: Simplify right side
    148,305.66x = 16,438,557,058.29
  5. Step 5: Solve for x
    x = 16,438,557,058.29/148,305.66
  6. Step 6: Final answer
    x = 110,842.41

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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.