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Finding the Fourth Proportional to 233.24, 349.79 and 70.83

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Solution

The fourth proportional to 233.24, 349.79 and 70.83 is: 106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.24 : 349.79 = 70.83 : x
  2. Step 2: Convert to fraction form
    233.24/349.79 = 70.83/x
  3. Step 3: Cross multiply
    233.24x = 349.79 × 70.83
  4. Step 4: Simplify right side
    233.24x = 24,775.80
  5. Step 5: Solve for x
    x = 24,775.80/233.24
  6. Step 6: Final answer
    x = 106.23

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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.