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Finding the Fourth Proportional to 235.95, 353.96 and 167.36

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Solution

The fourth proportional to 235.95, 353.96 and 167.36 is: 251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.95 : 353.96 = 167.36 : x
  2. Step 2: Convert to fraction form
    235.95/353.96 = 167.36/x
  3. Step 3: Cross multiply
    235.95x = 353.96 × 167.36
  4. Step 4: Simplify right side
    235.95x = 59,236.77
  5. Step 5: Solve for x
    x = 59,236.77/235.95
  6. Step 6: Final answer
    x = 251.06

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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.