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Finding the Fourth Proportional to 196.08, 293.80 and 93.36

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Solution

The fourth proportional to 196.08, 293.80 and 93.36 is: 139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.08 : 293.80 = 93.36 : x
  2. Step 2: Convert to fraction form
    196.08/293.80 = 93.36/x
  3. Step 3: Cross multiply
    196.08x = 293.80 × 93.36
  4. Step 4: Simplify right side
    196.08x = 27,429.17
  5. Step 5: Solve for x
    x = 27,429.17/196.08
  6. Step 6: Final answer
    x = 139.89

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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.