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Finding the Fourth Proportional to 233.94, 350.86 and 79.83

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Solution

The fourth proportional to 233.94, 350.86 and 79.83 is: 119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.94 : 350.86 = 79.83 : x
  2. Step 2: Convert to fraction form
    233.94/350.86 = 79.83/x
  3. Step 3: Cross multiply
    233.94x = 350.86 × 79.83
  4. Step 4: Simplify right side
    233.94x = 28,009.15
  5. Step 5: Solve for x
    x = 28,009.15/233.94
  6. Step 6: Final answer
    x = 119.73

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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.