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Finding the Fourth Proportional to 236.84, 354.85 and 168.03

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Solution

The fourth proportional to 236.84, 354.85 and 168.03 is: 251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.84 : 354.85 = 168.03 : x
  2. Step 2: Convert to fraction form
    236.84/354.85 = 168.03/x
  3. Step 3: Cross multiply
    236.84x = 354.85 × 168.03
  4. Step 4: Simplify right side
    236.84x = 59,625.03
  5. Step 5: Solve for x
    x = 59,625.03/236.84
  6. Step 6: Final answer
    x = 251.76

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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.