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Finding the Fourth Proportional to 247,072.82, 340,960.46 and 133,895.57

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Solution

The fourth proportional to 247,072.82, 340,960.46 and 133,895.57 is: 184,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,072.82 : 340,960.46 = 133,895.57 : x
  2. Step 2: Convert to fraction form
    247,072.82/340,960.46 = 133,895.57/x
  3. Step 3: Cross multiply
    247,072.82x = 340,960.46 × 133,895.57
  4. Step 4: Simplify right side
    247,072.82x = 45,653,092,764.88
  5. Step 5: Solve for x
    x = 45,653,092,764.88/247,072.82
  6. Step 6: Final answer
    x = 184,775.86

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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.