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Finding the Fourth Proportional to 247,135.28, 341,046.36 and 133,958

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Solution

The fourth proportional to 247,135.28, 341,046.36 and 133,958 is: 184,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,135.28 : 341,046.36 = 133,958 : x
  2. Step 2: Convert to fraction form
    247,135.28/341,046.36 = 133,958/x
  3. Step 3: Cross multiply
    247,135.28x = 341,046.36 × 133,958
  4. Step 4: Simplify right side
    247,135.28x = 45,685,888,292.88
  5. Step 5: Solve for x
    x = 45,685,888,292.88/247,135.28
  6. Step 6: Final answer
    x = 184,861.86

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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.