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Finding the Fourth Proportional to 192.33, 265.29 and 118.67

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Solution

The fourth proportional to 192.33, 265.29 and 118.67 is: 163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.33 : 265.29 = 118.67 : x
  2. Step 2: Convert to fraction form
    192.33/265.29 = 118.67/x
  3. Step 3: Cross multiply
    192.33x = 265.29 × 118.67
  4. Step 4: Simplify right side
    192.33x = 31,480.64
  5. Step 5: Solve for x
    x = 31,480.64/192.33
  6. Step 6: Final answer
    x = 163.68

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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.