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Finding the Fourth Proportional to 175.22, 262.92 and 141.11

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Solution

The fourth proportional to 175.22, 262.92 and 141.11 is: 211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.22 : 262.92 = 141.11 : x
  2. Step 2: Convert to fraction form
    175.22/262.92 = 141.11/x
  3. Step 3: Cross multiply
    175.22x = 262.92 × 141.11
  4. Step 4: Simplify right side
    175.22x = 37,100.64
  5. Step 5: Solve for x
    x = 37,100.64/175.22
  6. Step 6: Final answer
    x = 211.74

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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.