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Finding the Fourth Proportional to 94.08, 141.12 and 33.23

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Solution

The fourth proportional to 94.08, 141.12 and 33.23 is: 49.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.08 : 141.12 = 33.23 : x
  2. Step 2: Convert to fraction form
    94.08/141.12 = 33.23/x
  3. Step 3: Cross multiply
    94.08x = 141.12 × 33.23
  4. Step 4: Simplify right side
    94.08x = 4,689.42
  5. Step 5: Solve for x
    x = 4,689.42/94.08
  6. Step 6: Final answer
    x = 49.85

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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.