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Finding the Fourth Proportional to 246.18, 339.72 and 167.34

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Solution

The fourth proportional to 246.18, 339.72 and 167.34 is: 230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.18 : 339.72 = 167.34 : x
  2. Step 2: Convert to fraction form
    246.18/339.72 = 167.34/x
  3. Step 3: Cross multiply
    246.18x = 339.72 × 167.34
  4. Step 4: Simplify right side
    246.18x = 56,848.74
  5. Step 5: Solve for x
    x = 56,848.74/246.18
  6. Step 6: Final answer
    x = 230.92

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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.