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Finding the Fourth Proportional to 190.52, 262.14 and 167.12

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Solution

The fourth proportional to 190.52, 262.14 and 167.12 is: 229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.52 : 262.14 = 167.12 : x
  2. Step 2: Convert to fraction form
    190.52/262.14 = 167.12/x
  3. Step 3: Cross multiply
    190.52x = 262.14 × 167.12
  4. Step 4: Simplify right side
    190.52x = 43,808.84
  5. Step 5: Solve for x
    x = 43,808.84/190.52
  6. Step 6: Final answer
    x = 229.94

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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.