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Finding the Fourth Proportional to 196.25, 294.33 and 59.28

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Solution

The fourth proportional to 196.25, 294.33 and 59.28 is: 88.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.25 : 294.33 = 59.28 : x
  2. Step 2: Convert to fraction form
    196.25/294.33 = 59.28/x
  3. Step 3: Cross multiply
    196.25x = 294.33 × 59.28
  4. Step 4: Simplify right side
    196.25x = 17,449.21
  5. Step 5: Solve for x
    x = 17,449.21/196.25
  6. Step 6: Final answer
    x = 88.91

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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.