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Finding the Fourth Proportional to 311.10, 466.59 and 94.68

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Solution

The fourth proportional to 311.10, 466.59 and 94.68 is: 141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.10 : 466.59 = 94.68 : x
  2. Step 2: Convert to fraction form
    311.10/466.59 = 94.68/x
  3. Step 3: Cross multiply
    311.10x = 466.59 × 94.68
  4. Step 4: Simplify right side
    311.10x = 44,174.41
  5. Step 5: Solve for x
    x = 44,174.41/311.10
  6. Step 6: Final answer
    x = 141.99

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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.