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Finding the Fourth Proportional to 174.98, 262.73 and 163.71

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Solution

The fourth proportional to 174.98, 262.73 and 163.71 is: 245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.98 : 262.73 = 163.71 : x
  2. Step 2: Convert to fraction form
    174.98/262.73 = 163.71/x
  3. Step 3: Cross multiply
    174.98x = 262.73 × 163.71
  4. Step 4: Simplify right side
    174.98x = 43,011.94
  5. Step 5: Solve for x
    x = 43,011.94/174.98
  6. Step 6: Final answer
    x = 245.81

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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.