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Finding the Fourth Proportional to 176.24, 243.17 and 110.83

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Solution

The fourth proportional to 176.24, 243.17 and 110.83 is: 152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.24 : 243.17 = 110.83 : x
  2. Step 2: Convert to fraction form
    176.24/243.17 = 110.83/x
  3. Step 3: Cross multiply
    176.24x = 243.17 × 110.83
  4. Step 4: Simplify right side
    176.24x = 26,949.32
  5. Step 5: Solve for x
    x = 26,949.32/176.24
  6. Step 6: Final answer
    x = 152.92

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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.