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Finding the Fourth Proportional to 239.94, 359.91 and 95.67

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Solution

The fourth proportional to 239.94, 359.91 and 95.67 is: 143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.94 : 359.91 = 95.67 : x
  2. Step 2: Convert to fraction form
    239.94/359.91 = 95.67/x
  3. Step 3: Cross multiply
    239.94x = 359.91 × 95.67
  4. Step 4: Simplify right side
    239.94x = 34,432.59
  5. Step 5: Solve for x
    x = 34,432.59/239.94
  6. Step 6: Final answer
    x = 143.51

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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.