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Finding the Fourth Proportional to 246.22, 340.04 and 158.94

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Solution

The fourth proportional to 246.22, 340.04 and 158.94 is: 219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.22 : 340.04 = 158.94 : x
  2. Step 2: Convert to fraction form
    246.22/340.04 = 158.94/x
  3. Step 3: Cross multiply
    246.22x = 340.04 × 158.94
  4. Step 4: Simplify right side
    246.22x = 54,045.96
  5. Step 5: Solve for x
    x = 54,045.96/246.22
  6. Step 6: Final answer
    x = 219.50

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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.