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Finding the Fourth Proportional to 196.98, 295.28 and 169.46

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Solution

The fourth proportional to 196.98, 295.28 and 169.46 is: 254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.98 : 295.28 = 169.46 : x
  2. Step 2: Convert to fraction form
    196.98/295.28 = 169.46/x
  3. Step 3: Cross multiply
    196.98x = 295.28 × 169.46
  4. Step 4: Simplify right side
    196.98x = 50,035.83
  5. Step 5: Solve for x
    x = 50,035.83/196.98
  6. Step 6: Final answer
    x = 254.01

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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.