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Finding the Fourth Proportional to 247,049.58, 340,928.60 and 133,872.33

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Solution

The fourth proportional to 247,049.58, 340,928.60 and 133,872.33 is: 184,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,049.58 : 340,928.60 = 133,872.33 : x
  2. Step 2: Convert to fraction form
    247,049.58/340,928.60 = 133,872.33/x
  3. Step 3: Cross multiply
    247,049.58x = 340,928.60 × 133,872.33
  4. Step 4: Simplify right side
    247,049.58x = 45,640,905,376.28
  5. Step 5: Solve for x
    x = 45,640,905,376.28/247,049.58
  6. Step 6: Final answer
    x = 184,743.91

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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.