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Finding the Fourth Proportional to 233.62, 349.71 and 169.54

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Solution

The fourth proportional to 233.62, 349.71 and 169.54 is: 253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.62 : 349.71 = 169.54 : x
  2. Step 2: Convert to fraction form
    233.62/349.71 = 169.54/x
  3. Step 3: Cross multiply
    233.62x = 349.71 × 169.54
  4. Step 4: Simplify right side
    233.62x = 59,289.83
  5. Step 5: Solve for x
    x = 59,289.83/233.62
  6. Step 6: Final answer
    x = 253.79

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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.