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Finding the Fourth Proportional to 89,382.87, 123,348.37 and 49,097.31

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Solution

The fourth proportional to 89,382.87, 123,348.37 and 49,097.31 is: 67,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,382.87 : 123,348.37 = 49,097.31 : x
  2. Step 2: Convert to fraction form
    89,382.87/123,348.37 = 49,097.31/x
  3. Step 3: Cross multiply
    89,382.87x = 123,348.37 × 49,097.31
  4. Step 4: Simplify right side
    89,382.87x = 6,056,073,707.39
  5. Step 5: Solve for x
    x = 6,056,073,707.39/89,382.87
  6. Step 6: Final answer
    x = 67,754.30

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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.