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Finding the Fourth Proportional to 247,392.25, 341,401.97 and 134,215

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Solution

The fourth proportional to 247,392.25, 341,401.97 and 134,215 is: 185,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,392.25 : 341,401.97 = 134,215 : x
  2. Step 2: Convert to fraction form
    247,392.25/341,401.97 = 134,215/x
  3. Step 3: Cross multiply
    247,392.25x = 341,401.97 × 134,215
  4. Step 4: Simplify right side
    247,392.25x = 45,821,265,403.55
  5. Step 5: Solve for x
    x = 45,821,265,403.55/247,392.25
  6. Step 6: Final answer
    x = 185,217.06

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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.