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Finding the Fourth Proportional to 196.75, 295 and 59.75

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Solution

The fourth proportional to 196.75, 295 and 59.75 is: 89.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.75 : 295 = 59.75 : x
  2. Step 2: Convert to fraction form
    196.75/295 = 59.75/x
  3. Step 3: Cross multiply
    196.75x = 295 × 59.75
  4. Step 4: Simplify right side
    196.75x = 17,626.25
  5. Step 5: Solve for x
    x = 17,626.25/196.75
  6. Step 6: Final answer
    x = 89.59

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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.