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Finding the Fourth Proportional to 148,358.41, 204,734.35 and 80,377.11

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Solution

The fourth proportional to 148,358.41, 204,734.35 and 80,377.11 is: 110,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,358.41 : 204,734.35 = 80,377.11 : x
  2. Step 2: Convert to fraction form
    148,358.41/204,734.35 = 80,377.11/x
  3. Step 3: Cross multiply
    148,358.41x = 204,734.35 × 80,377.11
  4. Step 4: Simplify right side
    148,358.41x = 16,455,955,370.73
  5. Step 5: Solve for x
    x = 16,455,955,370.73/148,358.41
  6. Step 6: Final answer
    x = 110,920.27

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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.