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Finding the Fourth Proportional to 239.06, 358.56 and 116.95

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Solution

The fourth proportional to 239.06, 358.56 and 116.95 is: 175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.06 : 358.56 = 116.95 : x
  2. Step 2: Convert to fraction form
    239.06/358.56 = 116.95/x
  3. Step 3: Cross multiply
    239.06x = 358.56 × 116.95
  4. Step 4: Simplify right side
    239.06x = 41,933.37
  5. Step 5: Solve for x
    x = 41,933.37/239.06
  6. Step 6: Final answer
    x = 175.41

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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.