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Finding the Fourth Proportional to 100,968.45, 151,470.69 and 33,504.54

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Solution

The fourth proportional to 100,968.45, 151,470.69 and 33,504.54 is: 50,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968.45 : 151,470.69 = 33,504.54 : x
  2. Step 2: Convert to fraction form
    100,968.45/151,470.69 = 33,504.54/x
  3. Step 3: Cross multiply
    100,968.45x = 151,470.69 × 33,504.54
  4. Step 4: Simplify right side
    100,968.45x = 5,074,955,791.93
  5. Step 5: Solve for x
    x = 5,074,955,791.93/100,968.45
  6. Step 6: Final answer
    x = 50,262.79

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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.