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Finding the Fourth Proportional to 155.26, 233.22 and 94.43

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Solution

The fourth proportional to 155.26, 233.22 and 94.43 is: 141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.26 : 233.22 = 94.43 : x
  2. Step 2: Convert to fraction form
    155.26/233.22 = 94.43/x
  3. Step 3: Cross multiply
    155.26x = 233.22 × 94.43
  4. Step 4: Simplify right side
    155.26x = 22,021.80
  5. Step 5: Solve for x
    x = 22,021.80/155.26
  6. Step 6: Final answer
    x = 141.84

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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.