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Finding the Fourth Proportional to 197.24, 295.94 and 73.84

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Solution

The fourth proportional to 197.24, 295.94 and 73.84 is: 110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.24 : 295.94 = 73.84 : x
  2. Step 2: Convert to fraction form
    197.24/295.94 = 73.84/x
  3. Step 3: Cross multiply
    197.24x = 295.94 × 73.84
  4. Step 4: Simplify right side
    197.24x = 21,851.65
  5. Step 5: Solve for x
    x = 21,851.65/197.24
  6. Step 6: Final answer
    x = 110.79

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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.