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Finding the Fourth Proportional to 167.05, 230.49 and 108.01

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Solution

The fourth proportional to 167.05, 230.49 and 108.01 is: 149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.05 : 230.49 = 108.01 : x
  2. Step 2: Convert to fraction form
    167.05/230.49 = 108.01/x
  3. Step 3: Cross multiply
    167.05x = 230.49 × 108.01
  4. Step 4: Simplify right side
    167.05x = 24,895.22
  5. Step 5: Solve for x
    x = 24,895.22/167.05
  6. Step 6: Final answer
    x = 149.03

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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.