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Finding the Fourth Proportional to 176.92, 265.08 and 115.84

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Solution

The fourth proportional to 176.92, 265.08 and 115.84 is: 173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.92 : 265.08 = 115.84 : x
  2. Step 2: Convert to fraction form
    176.92/265.08 = 115.84/x
  3. Step 3: Cross multiply
    176.92x = 265.08 × 115.84
  4. Step 4: Simplify right side
    176.92x = 30,706.87
  5. Step 5: Solve for x
    x = 30,706.87/176.92
  6. Step 6: Final answer
    x = 173.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.