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Finding the Fourth Proportional to 176.92, 265 and 104.76

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Solution

The fourth proportional to 176.92, 265 and 104.76 is: 156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.92 : 265 = 104.76 : x
  2. Step 2: Convert to fraction form
    176.92/265 = 104.76/x
  3. Step 3: Cross multiply
    176.92x = 265 × 104.76
  4. Step 4: Simplify right side
    176.92x = 27,761.40
  5. Step 5: Solve for x
    x = 27,761.40/176.92
  6. Step 6: Final answer
    x = 156.91

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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.