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Finding the Fourth Proportional to 94.43, 141.42 and 48.03

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Solution

The fourth proportional to 94.43, 141.42 and 48.03 is: 71.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.43 : 141.42 = 48.03 : x
  2. Step 2: Convert to fraction form
    94.43/141.42 = 48.03/x
  3. Step 3: Cross multiply
    94.43x = 141.42 × 48.03
  4. Step 4: Simplify right side
    94.43x = 6,792.56
  5. Step 5: Solve for x
    x = 6,792.56/94.43
  6. Step 6: Final answer
    x = 71.93

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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.