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Finding the Fourth Proportional to 233.73, 349.78 and 164.94

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Solution

The fourth proportional to 233.73, 349.78 and 164.94 is: 246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.73 : 349.78 = 164.94 : x
  2. Step 2: Convert to fraction form
    233.73/349.78 = 164.94/x
  3. Step 3: Cross multiply
    233.73x = 349.78 × 164.94
  4. Step 4: Simplify right side
    233.73x = 57,692.71
  5. Step 5: Solve for x
    x = 57,692.71/233.73
  6. Step 6: Final answer
    x = 246.83

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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.