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Finding the Fourth Proportional to 167.06, 230.56 and 109.01

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Solution

The fourth proportional to 167.06, 230.56 and 109.01 is: 150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.06 : 230.56 = 109.01 : x
  2. Step 2: Convert to fraction form
    167.06/230.56 = 109.01/x
  3. Step 3: Cross multiply
    167.06x = 230.56 × 109.01
  4. Step 4: Simplify right side
    167.06x = 25,132.80
  5. Step 5: Solve for x
    x = 25,132.80/167.06
  6. Step 6: Final answer
    x = 150.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.