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Finding the Fourth Proportional to 236.67, 354.96 and 106.63

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Solution

The fourth proportional to 236.67, 354.96 and 106.63 is: 159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.67 : 354.96 = 106.63 : x
  2. Step 2: Convert to fraction form
    236.67/354.96 = 106.63/x
  3. Step 3: Cross multiply
    236.67x = 354.96 × 106.63
  4. Step 4: Simplify right side
    236.67x = 37,849.38
  5. Step 5: Solve for x
    x = 37,849.38/236.67
  6. Step 6: Final answer
    x = 159.92

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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.