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Finding the Fourth Proportional to 192.02, 288.12 and 110.93

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Solution

The fourth proportional to 192.02, 288.12 and 110.93 is: 166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.02 : 288.12 = 110.93 : x
  2. Step 2: Convert to fraction form
    192.02/288.12 = 110.93/x
  3. Step 3: Cross multiply
    192.02x = 288.12 × 110.93
  4. Step 4: Simplify right side
    192.02x = 31,961.15
  5. Step 5: Solve for x
    x = 31,961.15/192.02
  6. Step 6: Final answer
    x = 166.45

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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.