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Finding the Fourth Proportional to 176.27, 243.27 and 110.75

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Solution

The fourth proportional to 176.27, 243.27 and 110.75 is: 152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.27 : 243.27 = 110.75 : x
  2. Step 2: Convert to fraction form
    176.27/243.27 = 110.75/x
  3. Step 3: Cross multiply
    176.27x = 243.27 × 110.75
  4. Step 4: Simplify right side
    176.27x = 26,940.94
  5. Step 5: Solve for x
    x = 26,940.94/176.27
  6. Step 6: Final answer
    x = 152.84

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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.