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Finding the Fourth Proportional to 240.14, 360.76 and 159.14

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Solution

The fourth proportional to 240.14, 360.76 and 159.14 is: 239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.14 : 360.76 = 159.14 : x
  2. Step 2: Convert to fraction form
    240.14/360.76 = 159.14/x
  3. Step 3: Cross multiply
    240.14x = 360.76 × 159.14
  4. Step 4: Simplify right side
    240.14x = 57,411.35
  5. Step 5: Solve for x
    x = 57,411.35/240.14
  6. Step 6: Final answer
    x = 239.07

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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.