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Finding the Fourth Proportional to 94.99, 142.53 and 37.23

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Solution

The fourth proportional to 94.99, 142.53 and 37.23 is: 55.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.99 : 142.53 = 37.23 : x
  2. Step 2: Convert to fraction form
    94.99/142.53 = 37.23/x
  3. Step 3: Cross multiply
    94.99x = 142.53 × 37.23
  4. Step 4: Simplify right side
    94.99x = 5,306.21
  5. Step 5: Solve for x
    x = 5,306.21/94.99
  6. Step 6: Final answer
    x = 55.86

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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.