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Finding the Fourth Proportional to 94.94, 142.41 and 37.16

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Solution

The fourth proportional to 94.94, 142.41 and 37.16 is: 55.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.94 : 142.41 = 37.16 : x
  2. Step 2: Convert to fraction form
    94.94/142.41 = 37.16/x
  3. Step 3: Cross multiply
    94.94x = 142.41 × 37.16
  4. Step 4: Simplify right side
    94.94x = 5,292.05
  5. Step 5: Solve for x
    x = 5,292.05/94.94
  6. Step 6: Final answer
    x = 55.74

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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.