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Finding the Fourth Proportional to 176.13, 241.76 and 168.61

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Solution

The fourth proportional to 176.13, 241.76 and 168.61 is: 231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.13 : 241.76 = 168.61 : x
  2. Step 2: Convert to fraction form
    176.13/241.76 = 168.61/x
  3. Step 3: Cross multiply
    176.13x = 241.76 × 168.61
  4. Step 4: Simplify right side
    176.13x = 40,763.34
  5. Step 5: Solve for x
    x = 40,763.34/176.13
  6. Step 6: Final answer
    x = 231.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.