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Finding the Fourth Proportional to 176.82, 265.31 and 95.56

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Solution

The fourth proportional to 176.82, 265.31 and 95.56 is: 143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.82 : 265.31 = 95.56 : x
  2. Step 2: Convert to fraction form
    176.82/265.31 = 95.56/x
  3. Step 3: Cross multiply
    176.82x = 265.31 × 95.56
  4. Step 4: Simplify right side
    176.82x = 25,353.24
  5. Step 5: Solve for x
    x = 25,353.24/176.82
  6. Step 6: Final answer
    x = 143.38

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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.