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Finding the Fourth Proportional to 196.24, 294.06 and 93.40

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Solution

The fourth proportional to 196.24, 294.06 and 93.40 is: 139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.24 : 294.06 = 93.40 : x
  2. Step 2: Convert to fraction form
    196.24/294.06 = 93.40/x
  3. Step 3: Cross multiply
    196.24x = 294.06 × 93.40
  4. Step 4: Simplify right side
    196.24x = 27,465.20
  5. Step 5: Solve for x
    x = 27,465.20/196.24
  6. Step 6: Final answer
    x = 139.96

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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.