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Finding the Fourth Proportional to 246.96, 340.44 and 167.16

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Solution

The fourth proportional to 246.96, 340.44 and 167.16 is: 230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.96 : 340.44 = 167.16 : x
  2. Step 2: Convert to fraction form
    246.96/340.44 = 167.16/x
  3. Step 3: Cross multiply
    246.96x = 340.44 × 167.16
  4. Step 4: Simplify right side
    246.96x = 56,907.95
  5. Step 5: Solve for x
    x = 56,907.95/246.96
  6. Step 6: Final answer
    x = 230.43

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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.