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Finding the Fourth Proportional to 105,956.25, 158,944.87 and 33,891.06

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Solution

The fourth proportional to 105,956.25, 158,944.87 and 33,891.06 is: 50,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.25 : 158,944.87 = 33,891.06 : x
  2. Step 2: Convert to fraction form
    105,956.25/158,944.87 = 33,891.06/x
  3. Step 3: Cross multiply
    105,956.25x = 158,944.87 × 33,891.06
  4. Step 4: Simplify right side
    105,956.25x = 5,386,809,855.59
  5. Step 5: Solve for x
    x = 5,386,809,855.59/105,956.25
  6. Step 6: Final answer
    x = 50,839.94

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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.