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Finding the Fourth Proportional to 233.86, 350.67 and 105.50

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Solution

The fourth proportional to 233.86, 350.67 and 105.50 is: 158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.86 : 350.67 = 105.50 : x
  2. Step 2: Convert to fraction form
    233.86/350.67 = 105.50/x
  3. Step 3: Cross multiply
    233.86x = 350.67 × 105.50
  4. Step 4: Simplify right side
    233.86x = 36,995.69
  5. Step 5: Solve for x
    x = 36,995.69/233.86
  6. Step 6: Final answer
    x = 158.20

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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.