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Finding the Fourth Proportional to 247,553.82, 341,623.98 and 134,376.57

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Solution

The fourth proportional to 247,553.82, 341,623.98 and 134,376.57 is: 185,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,553.82 : 341,623.98 = 134,376.57 : x
  2. Step 2: Convert to fraction form
    247,553.82/341,623.98 = 134,376.57/x
  3. Step 3: Cross multiply
    247,553.82x = 341,623.98 × 134,376.57
  4. Step 4: Simplify right side
    247,553.82x = 45,906,258,662.15
  5. Step 5: Solve for x
    x = 45,906,258,662.15/247,553.82
  6. Step 6: Final answer
    x = 185,439.51

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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.