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Finding the Fourth Proportional to 351.44, 527.24 and 107.94

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Solution

The fourth proportional to 351.44, 527.24 and 107.94 is: 161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.44 : 527.24 = 107.94 : x
  2. Step 2: Convert to fraction form
    351.44/527.24 = 107.94/x
  3. Step 3: Cross multiply
    351.44x = 527.24 × 107.94
  4. Step 4: Simplify right side
    351.44x = 56,910.29
  5. Step 5: Solve for x
    x = 56,910.29/351.44
  6. Step 6: Final answer
    x = 161.93

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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.