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Finding the Fourth Proportional to 94.52, 141.82 and 53.98

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Solution

The fourth proportional to 94.52, 141.82 and 53.98 is: 80.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.52 : 141.82 = 53.98 : x
  2. Step 2: Convert to fraction form
    94.52/141.82 = 53.98/x
  3. Step 3: Cross multiply
    94.52x = 141.82 × 53.98
  4. Step 4: Simplify right side
    94.52x = 7,654.95
  5. Step 5: Solve for x
    x = 7,654.95/94.52
  6. Step 6: Final answer
    x = 80.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.