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Finding the Fourth Proportional to 192.54, 288.18 and 158.82

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Solution

The fourth proportional to 192.54, 288.18 and 158.82 is: 237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.54 : 288.18 = 158.82 : x
  2. Step 2: Convert to fraction form
    192.54/288.18 = 158.82/x
  3. Step 3: Cross multiply
    192.54x = 288.18 × 158.82
  4. Step 4: Simplify right side
    192.54x = 45,768.75
  5. Step 5: Solve for x
    x = 45,768.75/192.54
  6. Step 6: Final answer
    x = 237.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.