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Finding the Fourth Proportional to 246.97, 340.82 and 136.45

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Solution

The fourth proportional to 246.97, 340.82 and 136.45 is: 188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.97 : 340.82 = 136.45 : x
  2. Step 2: Convert to fraction form
    246.97/340.82 = 136.45/x
  3. Step 3: Cross multiply
    246.97x = 340.82 × 136.45
  4. Step 4: Simplify right side
    246.97x = 46,504.12
  5. Step 5: Solve for x
    x = 46,504.12/246.97
  6. Step 6: Final answer
    x = 188.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.