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Finding the Fourth Proportional to 568.96, 853.37 and 158.14

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Solution

The fourth proportional to 568.96, 853.37 and 158.14 is: 237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.96 : 853.37 = 158.14 : x
  2. Step 2: Convert to fraction form
    568.96/853.37 = 158.14/x
  3. Step 3: Cross multiply
    568.96x = 853.37 × 158.14
  4. Step 4: Simplify right side
    568.96x = 134,951.93
  5. Step 5: Solve for x
    x = 134,951.93/568.96
  6. Step 6: Final answer
    x = 237.19

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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.