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Finding the Fourth Proportional to 162.97, 244.56 and 122.27

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Solution

The fourth proportional to 162.97, 244.56 and 122.27 is: 183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.97 : 244.56 = 122.27 : x
  2. Step 2: Convert to fraction form
    162.97/244.56 = 122.27/x
  3. Step 3: Cross multiply
    162.97x = 244.56 × 122.27
  4. Step 4: Simplify right side
    162.97x = 29,902.35
  5. Step 5: Solve for x
    x = 29,902.35/162.97
  6. Step 6: Final answer
    x = 183.48

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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.