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Finding the Fourth Proportional to 196.14, 294.11 and 74.33

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Solution

The fourth proportional to 196.14, 294.11 and 74.33 is: 111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.14 : 294.11 = 74.33 : x
  2. Step 2: Convert to fraction form
    196.14/294.11 = 74.33/x
  3. Step 3: Cross multiply
    196.14x = 294.11 × 74.33
  4. Step 4: Simplify right side
    196.14x = 21,861.56
  5. Step 5: Solve for x
    x = 21,861.56/196.14
  6. Step 6: Final answer
    x = 111.46

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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.