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Finding the Fourth Proportional to 176.89, 244.23 and 118.75

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Solution

The fourth proportional to 176.89, 244.23 and 118.75 is: 163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.89 : 244.23 = 118.75 : x
  2. Step 2: Convert to fraction form
    176.89/244.23 = 118.75/x
  3. Step 3: Cross multiply
    176.89x = 244.23 × 118.75
  4. Step 4: Simplify right side
    176.89x = 29,002.31
  5. Step 5: Solve for x
    x = 29,002.31/176.89
  6. Step 6: Final answer
    x = 163.96

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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.