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Finding the Fourth Proportional to 262.73, 394.16 and 132.41

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Solution

The fourth proportional to 262.73, 394.16 and 132.41 is: 198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.73 : 394.16 = 132.41 : x
  2. Step 2: Convert to fraction form
    262.73/394.16 = 132.41/x
  3. Step 3: Cross multiply
    262.73x = 394.16 × 132.41
  4. Step 4: Simplify right side
    262.73x = 52,190.73
  5. Step 5: Solve for x
    x = 52,190.73/262.73
  6. Step 6: Final answer
    x = 198.65

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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.