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Finding the Fourth Proportional to 247,099.62, 340,994.43 and 133,919.94

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Solution

The fourth proportional to 247,099.62, 340,994.43 and 133,919.94 is: 184,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,099.62 : 340,994.43 = 133,919.94 : x
  2. Step 2: Convert to fraction form
    247,099.62/340,994.43 = 133,919.94/x
  3. Step 3: Cross multiply
    247,099.62x = 340,994.43 × 133,919.94
  4. Step 4: Simplify right side
    247,099.62x = 45,665,953,605.93
  5. Step 5: Solve for x
    x = 45,665,953,605.93/247,099.62
  6. Step 6: Final answer
    x = 184,807.87

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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.