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Finding the Fourth Proportional to 109,382.08, 150,947.40 and 59,081.08

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Solution

The fourth proportional to 109,382.08, 150,947.40 and 59,081.08 is: 81,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,382.08 : 150,947.40 = 59,081.08 : x
  2. Step 2: Convert to fraction form
    109,382.08/150,947.40 = 59,081.08/x
  3. Step 3: Cross multiply
    109,382.08x = 150,947.40 × 59,081.08
  4. Step 4: Simplify right side
    109,382.08x = 8,918,135,415.19
  5. Step 5: Solve for x
    x = 8,918,135,415.19/109,382.08
  6. Step 6: Final answer
    x = 81,531.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.