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Finding the Fourth Proportional to 246.19, 339.70 and 167.57

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Solution

The fourth proportional to 246.19, 339.70 and 167.57 is: 231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.19 : 339.70 = 167.57 : x
  2. Step 2: Convert to fraction form
    246.19/339.70 = 167.57/x
  3. Step 3: Cross multiply
    246.19x = 339.70 × 167.57
  4. Step 4: Simplify right side
    246.19x = 56,923.53
  5. Step 5: Solve for x
    x = 56,923.53/246.19
  6. Step 6: Final answer
    x = 231.22

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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.