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Finding the Fourth Proportional to 247,098.87, 340,993.38 and 133,919.19

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Solution

The fourth proportional to 247,098.87, 340,993.38 and 133,919.19 is: 184,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,098.87 : 340,993.38 = 133,919.19 : x
  2. Step 2: Convert to fraction form
    247,098.87/340,993.38 = 133,919.19/x
  3. Step 3: Cross multiply
    247,098.87x = 340,993.38 × 133,919.19
  4. Step 4: Simplify right side
    247,098.87x = 45,665,557,244.96
  5. Step 5: Solve for x
    x = 45,665,557,244.96/247,098.87
  6. Step 6: Final answer
    x = 184,806.82

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Why These Related Problems?

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