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Finding the Fourth Proportional to 213.44, 294.20 and 175.94

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Solution

The fourth proportional to 213.44, 294.20 and 175.94 is: 242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213.44 : 294.20 = 175.94 : x
  2. Step 2: Convert to fraction form
    213.44/294.20 = 175.94/x
  3. Step 3: Cross multiply
    213.44x = 294.20 × 175.94
  4. Step 4: Simplify right side
    213.44x = 51,761.55
  5. Step 5: Solve for x
    x = 51,761.55/213.44
  6. Step 6: Final answer
    x = 242.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.