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Finding the Fourth Proportional to 233.62, 350.34 and 79.50

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Solution

The fourth proportional to 233.62, 350.34 and 79.50 is: 119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.62 : 350.34 = 79.50 : x
  2. Step 2: Convert to fraction form
    233.62/350.34 = 79.50/x
  3. Step 3: Cross multiply
    233.62x = 350.34 × 79.50
  4. Step 4: Simplify right side
    233.62x = 27,852.03
  5. Step 5: Solve for x
    x = 27,852.03/233.62
  6. Step 6: Final answer
    x = 119.22

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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.