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Finding the Fourth Proportional to 196.92, 271.71 and 119.25

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Solution

The fourth proportional to 196.92, 271.71 and 119.25 is: 164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.92 : 271.71 = 119.25 : x
  2. Step 2: Convert to fraction form
    196.92/271.71 = 119.25/x
  3. Step 3: Cross multiply
    196.92x = 271.71 × 119.25
  4. Step 4: Simplify right side
    196.92x = 32,401.42
  5. Step 5: Solve for x
    x = 32,401.42/196.92
  6. Step 6: Final answer
    x = 164.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.