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Finding the Fourth Proportional to 196.13, 293.90 and 93.38

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Solution

The fourth proportional to 196.13, 293.90 and 93.38 is: 139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.13 : 293.90 = 93.38 : x
  2. Step 2: Convert to fraction form
    196.13/293.90 = 93.38/x
  3. Step 3: Cross multiply
    196.13x = 293.90 × 93.38
  4. Step 4: Simplify right side
    196.13x = 27,444.38
  5. Step 5: Solve for x
    x = 27,444.38/196.13
  6. Step 6: Final answer
    x = 139.93

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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.