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Finding the Fourth Proportional to 86,022.44, 128,984.46 and 33,370.46

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Solution

The fourth proportional to 86,022.44, 128,984.46 and 33,370.46 is: 50,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.44 : 128,984.46 = 33,370.46 : x
  2. Step 2: Convert to fraction form
    86,022.44/128,984.46 = 33,370.46/x
  3. Step 3: Cross multiply
    86,022.44x = 128,984.46 × 33,370.46
  4. Step 4: Simplify right side
    86,022.44x = 4,304,270,763.05
  5. Step 5: Solve for x
    x = 4,304,270,763.05/86,022.44
  6. Step 6: Final answer
    x = 50,036.60

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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.