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Finding the Fourth Proportional to 192.56, 265.41 and 166.37

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Solution

The fourth proportional to 192.56, 265.41 and 166.37 is: 229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.56 : 265.41 = 166.37 : x
  2. Step 2: Convert to fraction form
    192.56/265.41 = 166.37/x
  3. Step 3: Cross multiply
    192.56x = 265.41 × 166.37
  4. Step 4: Simplify right side
    192.56x = 44,154.93
  5. Step 5: Solve for x
    x = 44,154.93/192.56
  6. Step 6: Final answer
    x = 229.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.