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Finding the Fourth Proportional to 262,691.73, 394,046.06 and 102,761.37

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Solution

The fourth proportional to 262,691.73, 394,046.06 and 102,761.37 is: 154,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,691.73 : 394,046.06 = 102,761.37 : x
  2. Step 2: Convert to fraction form
    262,691.73/394,046.06 = 102,761.37/x
  3. Step 3: Cross multiply
    262,691.73x = 394,046.06 × 102,761.37
  4. Step 4: Simplify right side
    262,691.73x = 40,492,712,454.90
  5. Step 5: Solve for x
    x = 40,492,712,454.90/262,691.73
  6. Step 6: Final answer
    x = 154,145.36

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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.