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Finding the Fourth Proportional to 94.73, 142.13 and 58.62

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Solution

The fourth proportional to 94.73, 142.13 and 58.62 is: 87.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.73 : 142.13 = 58.62 : x
  2. Step 2: Convert to fraction form
    94.73/142.13 = 58.62/x
  3. Step 3: Cross multiply
    94.73x = 142.13 × 58.62
  4. Step 4: Simplify right side
    94.73x = 8,331.66
  5. Step 5: Solve for x
    x = 8,331.66/94.73
  6. Step 6: Final answer
    x = 87.95

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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.