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Finding the Fourth Proportional to 192.92, 266.23 and 119.27

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Solution

The fourth proportional to 192.92, 266.23 and 119.27 is: 164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.92 : 266.23 = 119.27 : x
  2. Step 2: Convert to fraction form
    192.92/266.23 = 119.27/x
  3. Step 3: Cross multiply
    192.92x = 266.23 × 119.27
  4. Step 4: Simplify right side
    192.92x = 31,753.25
  5. Step 5: Solve for x
    x = 31,753.25/192.92
  6. Step 6: Final answer
    x = 164.59

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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.