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Finding the Fourth Proportional to 94.07, 141.20 and 63.13

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Solution

The fourth proportional to 94.07, 141.20 and 63.13 is: 94.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.07 : 141.20 = 63.13 : x
  2. Step 2: Convert to fraction form
    94.07/141.20 = 63.13/x
  3. Step 3: Cross multiply
    94.07x = 141.20 × 63.13
  4. Step 4: Simplify right side
    94.07x = 8,914.11
  5. Step 5: Solve for x
    x = 8,914.11/94.07
  6. Step 6: Final answer
    x = 94.76

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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.