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Finding the Fourth Proportional to 175.12, 262.76 and 111.04

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Solution

The fourth proportional to 175.12, 262.76 and 111.04 is: 166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.12 : 262.76 = 111.04 : x
  2. Step 2: Convert to fraction form
    175.12/262.76 = 111.04/x
  3. Step 3: Cross multiply
    175.12x = 262.76 × 111.04
  4. Step 4: Simplify right side
    175.12x = 29,176.87
  5. Step 5: Solve for x
    x = 29,176.87/175.12
  6. Step 6: Final answer
    x = 166.61

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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.