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Finding the Fourth Proportional to 174.48, 240.58 and 163.89

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Solution

The fourth proportional to 174.48, 240.58 and 163.89 is: 225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.48 : 240.58 = 163.89 : x
  2. Step 2: Convert to fraction form
    174.48/240.58 = 163.89/x
  3. Step 3: Cross multiply
    174.48x = 240.58 × 163.89
  4. Step 4: Simplify right side
    174.48x = 39,427.45
  5. Step 5: Solve for x
    x = 39,427.45/174.48
  6. Step 6: Final answer
    x = 225.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.