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Finding the Fourth Proportional to 197.16, 295.44 and 88.96

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Solution

The fourth proportional to 197.16, 295.44 and 88.96 is: 133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.16 : 295.44 = 88.96 : x
  2. Step 2: Convert to fraction form
    197.16/295.44 = 88.96/x
  3. Step 3: Cross multiply
    197.16x = 295.44 × 88.96
  4. Step 4: Simplify right side
    197.16x = 26,282.34
  5. Step 5: Solve for x
    x = 26,282.34/197.16
  6. Step 6: Final answer
    x = 133.30

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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.