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Finding the Fourth Proportional to 247,097.62, 340,991.67 and 133,917.94

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Solution

The fourth proportional to 247,097.62, 340,991.67 and 133,917.94 is: 184,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,097.62 : 340,991.67 = 133,917.94 : x
  2. Step 2: Convert to fraction form
    247,097.62/340,991.67 = 133,917.94/x
  3. Step 3: Cross multiply
    247,097.62x = 340,991.67 × 133,917.94
  4. Step 4: Simplify right side
    247,097.62x = 45,664,902,003.56
  5. Step 5: Solve for x
    x = 45,664,902,003.56/247,097.62
  6. Step 6: Final answer
    x = 184,805.11

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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.