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Finding the Fourth Proportional to 94.75, 141.94 and 48.96

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Solution

The fourth proportional to 94.75, 141.94 and 48.96 is: 73.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.75 : 141.94 = 48.96 : x
  2. Step 2: Convert to fraction form
    94.75/141.94 = 48.96/x
  3. Step 3: Cross multiply
    94.75x = 141.94 × 48.96
  4. Step 4: Simplify right side
    94.75x = 6,949.38
  5. Step 5: Solve for x
    x = 6,949.38/94.75
  6. Step 6: Final answer
    x = 73.34

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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.