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Finding the Fourth Proportional to 240.36, 359.94 and 167.88

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Solution

The fourth proportional to 240.36, 359.94 and 167.88 is: 251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.36 : 359.94 = 167.88 : x
  2. Step 2: Convert to fraction form
    240.36/359.94 = 167.88/x
  3. Step 3: Cross multiply
    240.36x = 359.94 × 167.88
  4. Step 4: Simplify right side
    240.36x = 60,426.73
  5. Step 5: Solve for x
    x = 60,426.73/240.36
  6. Step 6: Final answer
    x = 251.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.