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Finding the Fourth Proportional to 247,605.72, 341,717.04 and 140,194.68

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Solution

The fourth proportional to 247,605.72, 341,717.04 and 140,194.68 is: 193,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,605.72 : 341,717.04 = 140,194.68 : x
  2. Step 2: Convert to fraction form
    247,605.72/341,717.04 = 140,194.68/x
  3. Step 3: Cross multiply
    247,605.72x = 341,717.04 × 140,194.68
  4. Step 4: Simplify right side
    247,605.72x = 47,906,911,073.35
  5. Step 5: Solve for x
    x = 47,906,911,073.35/247,605.72
  6. Step 6: Final answer
    x = 193,480.63

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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.