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Finding the Fourth Proportional to 247,680.60, 341,792.28 and 140,260.80

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Solution

The fourth proportional to 247,680.60, 341,792.28 and 140,260.80 is: 193,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,680.60 : 341,792.28 = 140,260.80 : x
  2. Step 2: Convert to fraction form
    247,680.60/341,792.28 = 140,260.80/x
  3. Step 3: Cross multiply
    247,680.60x = 341,792.28 × 140,260.80
  4. Step 4: Simplify right side
    247,680.60x = 47,940,058,626.62
  5. Step 5: Solve for x
    x = 47,940,058,626.62/247,680.60
  6. Step 6: Final answer
    x = 193,555.97

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1.5x scale

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.