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Finding the Fourth Proportional to 196.88, 271.76 and 119.25

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Solution

The fourth proportional to 196.88, 271.76 and 119.25 is: 164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.88 : 271.76 = 119.25 : x
  2. Step 2: Convert to fraction form
    196.88/271.76 = 119.25/x
  3. Step 3: Cross multiply
    196.88x = 271.76 × 119.25
  4. Step 4: Simplify right side
    196.88x = 32,406.78
  5. Step 5: Solve for x
    x = 32,406.78/196.88
  6. Step 6: Final answer
    x = 164.61

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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.