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Finding the Fourth Proportional to 196.16, 293.52 and 165.44

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Solution

The fourth proportional to 196.16, 293.52 and 165.44 is: 247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.16 : 293.52 = 165.44 : x
  2. Step 2: Convert to fraction form
    196.16/293.52 = 165.44/x
  3. Step 3: Cross multiply
    196.16x = 293.52 × 165.44
  4. Step 4: Simplify right side
    196.16x = 48,559.95
  5. Step 5: Solve for x
    x = 48,559.95/196.16
  6. Step 6: Final answer
    x = 247.55

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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.