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Finding the Fourth Proportional to 196.22, 292.67 and 170.34

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Solution

The fourth proportional to 196.22, 292.67 and 170.34 is: 254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.22 : 292.67 = 170.34 : x
  2. Step 2: Convert to fraction form
    196.22/292.67 = 170.34/x
  3. Step 3: Cross multiply
    196.22x = 292.67 × 170.34
  4. Step 4: Simplify right side
    196.22x = 49,853.41
  5. Step 5: Solve for x
    x = 49,853.41/196.22
  6. Step 6: Final answer
    x = 254.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.