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Finding the Fourth Proportional to 196.35, 294.12 and 93.32

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Solution

The fourth proportional to 196.35, 294.12 and 93.32 is: 139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.35 : 294.12 = 93.32 : x
  2. Step 2: Convert to fraction form
    196.35/294.12 = 93.32/x
  3. Step 3: Cross multiply
    196.35x = 294.12 × 93.32
  4. Step 4: Simplify right side
    196.35x = 27,448.36
  5. Step 5: Solve for x
    x = 27,448.36/196.35
  6. Step 6: Final answer
    x = 139.79

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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.