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Finding the Fourth Proportional to 192.54, 288.83 and 116.03

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Solution

The fourth proportional to 192.54, 288.83 and 116.03 is: 174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.54 : 288.83 = 116.03 : x
  2. Step 2: Convert to fraction form
    192.54/288.83 = 116.03/x
  3. Step 3: Cross multiply
    192.54x = 288.83 × 116.03
  4. Step 4: Simplify right side
    192.54x = 33,510.92
  5. Step 5: Solve for x
    x = 33,510.92/192.54
  6. Step 6: Final answer
    x = 174.05

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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.