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Finding the Fourth Proportional to 196.64, 295 and 88.44

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Solution

The fourth proportional to 196.64, 295 and 88.44 is: 132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.64 : 295 = 88.44 : x
  2. Step 2: Convert to fraction form
    196.64/295 = 88.44/x
  3. Step 3: Cross multiply
    196.64x = 295 × 88.44
  4. Step 4: Simplify right side
    196.64x = 26,089.80
  5. Step 5: Solve for x
    x = 26,089.80/196.64
  6. Step 6: Final answer
    x = 132.68

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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.