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Finding the Fourth Proportional to 167.79, 249.52 and 165.99

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Solution

The fourth proportional to 167.79, 249.52 and 165.99 is: 246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.79 : 249.52 = 165.99 : x
  2. Step 2: Convert to fraction form
    167.79/249.52 = 165.99/x
  3. Step 3: Cross multiply
    167.79x = 249.52 × 165.99
  4. Step 4: Simplify right side
    167.79x = 41,417.41
  5. Step 5: Solve for x
    x = 41,417.41/167.79
  6. Step 6: Final answer
    x = 246.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.