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Finding the Fourth Proportional to 247,099.12, 340,993.74 and 133,919.44

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Solution

The fourth proportional to 247,099.12, 340,993.74 and 133,919.44 is: 184,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,099.12 : 340,993.74 = 133,919.44 : x
  2. Step 2: Convert to fraction form
    247,099.12/340,993.74 = 133,919.44/x
  3. Step 3: Cross multiply
    247,099.12x = 340,993.74 × 133,919.44
  4. Step 4: Simplify right side
    247,099.12x = 45,665,690,704.31
  5. Step 5: Solve for x
    x = 45,665,690,704.31/247,099.12
  6. Step 6: Final answer
    x = 184,807.18

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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.