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Finding the Fourth Proportional to 196.02, 268.92 and 183.60

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Solution

The fourth proportional to 196.02, 268.92 and 183.60 is: 251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.02 : 268.92 = 183.60 : x
  2. Step 2: Convert to fraction form
    196.02/268.92 = 183.60/x
  3. Step 3: Cross multiply
    196.02x = 268.92 × 183.60
  4. Step 4: Simplify right side
    196.02x = 49,373.71
  5. Step 5: Solve for x
    x = 49,373.71/196.02
  6. Step 6: Final answer
    x = 251.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.