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Finding the Fourth Proportional to 239.92, 360.02 and 95.63

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Solution

The fourth proportional to 239.92, 360.02 and 95.63 is: 143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.92 : 360.02 = 95.63 : x
  2. Step 2: Convert to fraction form
    239.92/360.02 = 95.63/x
  3. Step 3: Cross multiply
    239.92x = 360.02 × 95.63
  4. Step 4: Simplify right side
    239.92x = 34,427.15
  5. Step 5: Solve for x
    x = 34,427.15/239.92
  6. Step 6: Final answer
    x = 143.50

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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.