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Finding the Fourth Proportional to 235.76, 353.24 and 166.94

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Solution

The fourth proportional to 235.76, 353.24 and 166.94 is: 250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.76 : 353.24 = 166.94 : x
  2. Step 2: Convert to fraction form
    235.76/353.24 = 166.94/x
  3. Step 3: Cross multiply
    235.76x = 353.24 × 166.94
  4. Step 4: Simplify right side
    235.76x = 58,969.05
  5. Step 5: Solve for x
    x = 58,969.05/235.76
  6. Step 6: Final answer
    x = 250.12

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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.