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Finding the Fourth Proportional to 94.66, 141.98 and 36.86

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Solution

The fourth proportional to 94.66, 141.98 and 36.86 is: 55.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.66 : 141.98 = 36.86 : x
  2. Step 2: Convert to fraction form
    94.66/141.98 = 36.86/x
  3. Step 3: Cross multiply
    94.66x = 141.98 × 36.86
  4. Step 4: Simplify right side
    94.66x = 5,233.95
  5. Step 5: Solve for x
    x = 5,233.95/94.66
  6. Step 6: Final answer
    x = 55.29

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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.