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Finding the Fourth Proportional to 175.44, 262.77 and 141.12

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Solution

The fourth proportional to 175.44, 262.77 and 141.12 is: 211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.44 : 262.77 = 141.12 : x
  2. Step 2: Convert to fraction form
    175.44/262.77 = 141.12/x
  3. Step 3: Cross multiply
    175.44x = 262.77 × 141.12
  4. Step 4: Simplify right side
    175.44x = 37,080.79
  5. Step 5: Solve for x
    x = 37,080.79/175.44
  6. Step 6: Final answer
    x = 211.36

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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.