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Finding the Fourth Proportional to 196.19, 294.43 and 88.05

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Solution

The fourth proportional to 196.19, 294.43 and 88.05 is: 132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.19 : 294.43 = 88.05 : x
  2. Step 2: Convert to fraction form
    196.19/294.43 = 88.05/x
  3. Step 3: Cross multiply
    196.19x = 294.43 × 88.05
  4. Step 4: Simplify right side
    196.19x = 25,924.56
  5. Step 5: Solve for x
    x = 25,924.56/196.19
  6. Step 6: Final answer
    x = 132.14

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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.