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Finding the Fourth Proportional to 235.58, 353.70 and 167.54

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Solution

The fourth proportional to 235.58, 353.70 and 167.54 is: 251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.58 : 353.70 = 167.54 : x
  2. Step 2: Convert to fraction form
    235.58/353.70 = 167.54/x
  3. Step 3: Cross multiply
    235.58x = 353.70 × 167.54
  4. Step 4: Simplify right side
    235.58x = 59,257.13
  5. Step 5: Solve for x
    x = 59,257.13/235.58
  6. Step 6: Final answer
    x = 251.54

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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.