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Finding the Fourth Proportional to 236.68, 354.66 and 164.56

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Solution

The fourth proportional to 236.68, 354.66 and 164.56 is: 246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.68 : 354.66 = 164.56 : x
  2. Step 2: Convert to fraction form
    236.68/354.66 = 164.56/x
  3. Step 3: Cross multiply
    236.68x = 354.66 × 164.56
  4. Step 4: Simplify right side
    236.68x = 58,362.85
  5. Step 5: Solve for x
    x = 58,362.85/236.68
  6. Step 6: Final answer
    x = 246.59

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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.