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Finding the Fourth Proportional to 176.32, 243.32 and 110.86

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Solution

The fourth proportional to 176.32, 243.32 and 110.86 is: 152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.32 : 243.32 = 110.86 : x
  2. Step 2: Convert to fraction form
    176.32/243.32 = 110.86/x
  3. Step 3: Cross multiply
    176.32x = 243.32 × 110.86
  4. Step 4: Simplify right side
    176.32x = 26,974.46
  5. Step 5: Solve for x
    x = 26,974.46/176.32
  6. Step 6: Final answer
    x = 152.99

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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.