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Finding the Fourth Proportional to 196.41, 294.44 and 166.17

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Solution

The fourth proportional to 196.41, 294.44 and 166.17 is: 249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.41 : 294.44 = 166.17 : x
  2. Step 2: Convert to fraction form
    196.41/294.44 = 166.17/x
  3. Step 3: Cross multiply
    196.41x = 294.44 × 166.17
  4. Step 4: Simplify right side
    196.41x = 48,926.26
  5. Step 5: Solve for x
    x = 48,926.26/196.41
  6. Step 6: Final answer
    x = 249.10

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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.