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Finding the Fourth Proportional to 167.44, 251.14 and 56.25

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Solution

The fourth proportional to 167.44, 251.14 and 56.25 is: 84.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.44 : 251.14 = 56.25 : x
  2. Step 2: Convert to fraction form
    167.44/251.14 = 56.25/x
  3. Step 3: Cross multiply
    167.44x = 251.14 × 56.25
  4. Step 4: Simplify right side
    167.44x = 14,127.33
  5. Step 5: Solve for x
    x = 14,127.33/167.44
  6. Step 6: Final answer
    x = 84.37

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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.