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Finding the Fourth Proportional to 174.86, 240.86 and 163.52

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Solution

The fourth proportional to 174.86, 240.86 and 163.52 is: 225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.86 : 240.86 = 163.52 : x
  2. Step 2: Convert to fraction form
    174.86/240.86 = 163.52/x
  3. Step 3: Cross multiply
    174.86x = 240.86 × 163.52
  4. Step 4: Simplify right side
    174.86x = 39,383.41
  5. Step 5: Solve for x
    x = 39,383.41/174.86
  6. Step 6: Final answer
    x = 225.23

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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.