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Finding the Fourth Proportional to 197.25, 294.33 and 179.07

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Solution

The fourth proportional to 197.25, 294.33 and 179.07 is: 267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.25 : 294.33 = 179.07 : x
  2. Step 2: Convert to fraction form
    197.25/294.33 = 179.07/x
  3. Step 3: Cross multiply
    197.25x = 294.33 × 179.07
  4. Step 4: Simplify right side
    197.25x = 52,705.67
  5. Step 5: Solve for x
    x = 52,705.67/197.25
  6. Step 6: Final answer
    x = 267.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.