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Finding the Fourth Proportional to 94.26, 141.17 and 48.55

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Solution

The fourth proportional to 94.26, 141.17 and 48.55 is: 72.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.26 : 141.17 = 48.55 : x
  2. Step 2: Convert to fraction form
    94.26/141.17 = 48.55/x
  3. Step 3: Cross multiply
    94.26x = 141.17 × 48.55
  4. Step 4: Simplify right side
    94.26x = 6,852.85
  5. Step 5: Solve for x
    x = 6,852.85/94.26
  6. Step 6: Final answer
    x = 72.70

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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.