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Finding the Fourth Proportional to 235.51, 353.10 and 167.17

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Solution

The fourth proportional to 235.51, 353.10 and 167.17 is: 250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.51 : 353.10 = 167.17 : x
  2. Step 2: Convert to fraction form
    235.51/353.10 = 167.17/x
  3. Step 3: Cross multiply
    235.51x = 353.10 × 167.17
  4. Step 4: Simplify right side
    235.51x = 59,027.73
  5. Step 5: Solve for x
    x = 59,027.73/235.51
  6. Step 6: Final answer
    x = 250.64

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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.