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Finding the Fourth Proportional to 196.58, 294.87 and 88.24

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Solution

The fourth proportional to 196.58, 294.87 and 88.24 is: 132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.58 : 294.87 = 88.24 : x
  2. Step 2: Convert to fraction form
    196.58/294.87 = 88.24/x
  3. Step 3: Cross multiply
    196.58x = 294.87 × 88.24
  4. Step 4: Simplify right side
    196.58x = 26,020.01
  5. Step 5: Solve for x
    x = 26,020.01/196.58
  6. Step 6: Final answer
    x = 132.36

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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.