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Finding the Fourth Proportional to 227.91, 314.46 and 132.07

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Solution

The fourth proportional to 227.91, 314.46 and 132.07 is: 182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.91 : 314.46 = 132.07 : x
  2. Step 2: Convert to fraction form
    227.91/314.46 = 132.07/x
  3. Step 3: Cross multiply
    227.91x = 314.46 × 132.07
  4. Step 4: Simplify right side
    227.91x = 41,530.73
  5. Step 5: Solve for x
    x = 41,530.73/227.91
  6. Step 6: Final answer
    x = 182.22

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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.