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Finding the Fourth Proportional to 167.37, 230.87 and 107.45

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Solution

The fourth proportional to 167.37, 230.87 and 107.45 is: 148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.37 : 230.87 = 107.45 : x
  2. Step 2: Convert to fraction form
    167.37/230.87 = 107.45/x
  3. Step 3: Cross multiply
    167.37x = 230.87 × 107.45
  4. Step 4: Simplify right side
    167.37x = 24,806.98
  5. Step 5: Solve for x
    x = 24,806.98/167.37
  6. Step 6: Final answer
    x = 148.22

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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.