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Finding the Fourth Proportional to 196.67, 295.13 and 75.04

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Solution

The fourth proportional to 196.67, 295.13 and 75.04 is: 112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.67 : 295.13 = 75.04 : x
  2. Step 2: Convert to fraction form
    196.67/295.13 = 75.04/x
  3. Step 3: Cross multiply
    196.67x = 295.13 × 75.04
  4. Step 4: Simplify right side
    196.67x = 22,146.00
  5. Step 5: Solve for x
    x = 22,146.00/196.67
  6. Step 6: Final answer
    x = 112.60

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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.