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Finding the Fourth Proportional to 141.35, 212.22 and 116.03

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Solution

The fourth proportional to 141.35, 212.22 and 116.03 is: 174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.35 : 212.22 = 116.03 : x
  2. Step 2: Convert to fraction form
    141.35/212.22 = 116.03/x
  3. Step 3: Cross multiply
    141.35x = 212.22 × 116.03
  4. Step 4: Simplify right side
    141.35x = 24,624.42
  5. Step 5: Solve for x
    x = 24,624.42/141.35
  6. Step 6: Final answer
    x = 174.21

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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.