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Finding the Fourth Proportional to 239.95, 359.93 and 95.68

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Solution

The fourth proportional to 239.95, 359.93 and 95.68 is: 143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.95 : 359.93 = 95.68 : x
  2. Step 2: Convert to fraction form
    239.95/359.93 = 95.68/x
  3. Step 3: Cross multiply
    239.95x = 359.93 × 95.68
  4. Step 4: Simplify right side
    239.95x = 34,435.82
  5. Step 5: Solve for x
    x = 34,435.82/239.95
  6. Step 6: Final answer
    x = 143.52

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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.