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Finding the Fourth Proportional to 192.27, 288.43 and 62.27

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Solution

The fourth proportional to 192.27, 288.43 and 62.27 is: 93.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.27 : 288.43 = 62.27 : x
  2. Step 2: Convert to fraction form
    192.27/288.43 = 62.27/x
  3. Step 3: Cross multiply
    192.27x = 288.43 × 62.27
  4. Step 4: Simplify right side
    192.27x = 17,960.02
  5. Step 5: Solve for x
    x = 17,960.02/192.27
  6. Step 6: Final answer
    x = 93.41

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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.