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Finding the Fourth Proportional to 196.46, 294.59 and 92.33

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Solution

The fourth proportional to 196.46, 294.59 and 92.33 is: 138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.46 : 294.59 = 92.33 : x
  2. Step 2: Convert to fraction form
    196.46/294.59 = 92.33/x
  3. Step 3: Cross multiply
    196.46x = 294.59 × 92.33
  4. Step 4: Simplify right side
    196.46x = 27,197.56
  5. Step 5: Solve for x
    x = 27,197.56/196.46
  6. Step 6: Final answer
    x = 138.44

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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.