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Finding the Fourth Proportional to 94.46, 141.75 and 40.37

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Solution

The fourth proportional to 94.46, 141.75 and 40.37 is: 60.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.46 : 141.75 = 40.37 : x
  2. Step 2: Convert to fraction form
    94.46/141.75 = 40.37/x
  3. Step 3: Cross multiply
    94.46x = 141.75 × 40.37
  4. Step 4: Simplify right side
    94.46x = 5,721.74
  5. Step 5: Solve for x
    x = 5,721.74/94.46
  6. Step 6: Final answer
    x = 60.58

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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.