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Finding the Fourth Proportional to 176.17, 263.67 and 111.22

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Solution

The fourth proportional to 176.17, 263.67 and 111.22 is: 166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.17 : 263.67 = 111.22 : x
  2. Step 2: Convert to fraction form
    176.17/263.67 = 111.22/x
  3. Step 3: Cross multiply
    176.17x = 263.67 × 111.22
  4. Step 4: Simplify right side
    176.17x = 29,325.38
  5. Step 5: Solve for x
    x = 29,325.38/176.17
  6. Step 6: Final answer
    x = 166.46

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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.