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Finding the Fourth Proportional to 227.98, 341.84 and 112.17

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Solution

The fourth proportional to 227.98, 341.84 and 112.17 is: 168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.98 : 341.84 = 112.17 : x
  2. Step 2: Convert to fraction form
    227.98/341.84 = 112.17/x
  3. Step 3: Cross multiply
    227.98x = 341.84 × 112.17
  4. Step 4: Simplify right side
    227.98x = 38,343.63
  5. Step 5: Solve for x
    x = 38,343.63/227.98
  6. Step 6: Final answer
    x = 168.19

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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.