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Finding the Fourth Proportional to 196.20, 294.28 and 59.26

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Solution

The fourth proportional to 196.20, 294.28 and 59.26 is: 88.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.20 : 294.28 = 59.26 : x
  2. Step 2: Convert to fraction form
    196.20/294.28 = 59.26/x
  3. Step 3: Cross multiply
    196.20x = 294.28 × 59.26
  4. Step 4: Simplify right side
    196.20x = 17,439.03
  5. Step 5: Solve for x
    x = 17,439.03/196.20
  6. Step 6: Final answer
    x = 88.88

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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.