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Finding the Fourth Proportional to 192.03, 265.02 and 122.10

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Solution

The fourth proportional to 192.03, 265.02 and 122.10 is: 168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.03 : 265.02 = 122.10 : x
  2. Step 2: Convert to fraction form
    192.03/265.02 = 122.10/x
  3. Step 3: Cross multiply
    192.03x = 265.02 × 122.10
  4. Step 4: Simplify right side
    192.03x = 32,357.62
  5. Step 5: Solve for x
    x = 32,357.62/192.03
  6. Step 6: Final answer
    x = 168.51

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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.