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Finding the Fourth Proportional to 568.08, 852.13 and 157.26

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Solution

The fourth proportional to 568.08, 852.13 and 157.26 is: 235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.08 : 852.13 = 157.26 : x
  2. Step 2: Convert to fraction form
    568.08/852.13 = 157.26/x
  3. Step 3: Cross multiply
    568.08x = 852.13 × 157.26
  4. Step 4: Simplify right side
    568.08x = 134,005.96
  5. Step 5: Solve for x
    x = 134,005.96/568.08
  6. Step 6: Final answer
    x = 235.89

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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.