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Finding the Fourth Proportional to 192.66, 289.26 and 183.96

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Solution

The fourth proportional to 192.66, 289.26 and 183.96 is: 276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.66 : 289.26 = 183.96 : x
  2. Step 2: Convert to fraction form
    192.66/289.26 = 183.96/x
  3. Step 3: Cross multiply
    192.66x = 289.26 × 183.96
  4. Step 4: Simplify right side
    192.66x = 53,212.27
  5. Step 5: Solve for x
    x = 53,212.27/192.66
  6. Step 6: Final answer
    x = 276.20

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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.