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Finding the Fourth Proportional to 167.52, 251.26 and 70.06

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Solution

The fourth proportional to 167.52, 251.26 and 70.06 is: 105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.52 : 251.26 = 70.06 : x
  2. Step 2: Convert to fraction form
    167.52/251.26 = 70.06/x
  3. Step 3: Cross multiply
    167.52x = 251.26 × 70.06
  4. Step 4: Simplify right side
    167.52x = 17,603.28
  5. Step 5: Solve for x
    x = 17,603.28/167.52
  6. Step 6: Final answer
    x = 105.08

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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.