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Finding the Fourth Proportional to 94.99, 142.46 and 37.19

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Solution

The fourth proportional to 94.99, 142.46 and 37.19 is: 55.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.99 : 142.46 = 37.19 : x
  2. Step 2: Convert to fraction form
    94.99/142.46 = 37.19/x
  3. Step 3: Cross multiply
    94.99x = 142.46 × 37.19
  4. Step 4: Simplify right side
    94.99x = 5,297.38
  5. Step 5: Solve for x
    x = 5,297.38/94.99
  6. Step 6: Final answer
    x = 55.77

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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.