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Finding the Fourth Proportional to 175.24, 263.22 and 144.91

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Solution

The fourth proportional to 175.24, 263.22 and 144.91 is: 217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.24 : 263.22 = 144.91 : x
  2. Step 2: Convert to fraction form
    175.24/263.22 = 144.91/x
  3. Step 3: Cross multiply
    175.24x = 263.22 × 144.91
  4. Step 4: Simplify right side
    175.24x = 38,143.21
  5. Step 5: Solve for x
    x = 38,143.21/175.24
  6. Step 6: Final answer
    x = 217.66

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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.