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Finding the Fourth Proportional to 196.19, 294.33 and 67.94

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Solution

The fourth proportional to 196.19, 294.33 and 67.94 is: 101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.19 : 294.33 = 67.94 : x
  2. Step 2: Convert to fraction form
    196.19/294.33 = 67.94/x
  3. Step 3: Cross multiply
    196.19x = 294.33 × 67.94
  4. Step 4: Simplify right side
    196.19x = 19,996.78
  5. Step 5: Solve for x
    x = 19,996.78/196.19
  6. Step 6: Final answer
    x = 101.93

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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.