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Finding the Fourth Proportional to 192.63, 288.33 and 101.20

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Solution

The fourth proportional to 192.63, 288.33 and 101.20 is: 151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.63 : 288.33 = 101.20 : x
  2. Step 2: Convert to fraction form
    192.63/288.33 = 101.20/x
  3. Step 3: Cross multiply
    192.63x = 288.33 × 101.20
  4. Step 4: Simplify right side
    192.63x = 29,179.00
  5. Step 5: Solve for x
    x = 29,179.00/192.63
  6. Step 6: Final answer
    x = 151.48

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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.