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Finding the Fourth Proportional to 176.17, 243.08 and 110.76

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Solution

The fourth proportional to 176.17, 243.08 and 110.76 is: 152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.17 : 243.08 = 110.76 : x
  2. Step 2: Convert to fraction form
    176.17/243.08 = 110.76/x
  3. Step 3: Cross multiply
    176.17x = 243.08 × 110.76
  4. Step 4: Simplify right side
    176.17x = 26,923.54
  5. Step 5: Solve for x
    x = 26,923.54/176.17
  6. Step 6: Final answer
    x = 152.83

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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.