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Finding the Fourth Proportional to 247,940.01, 342,150.03 and 140,519.97

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Solution

The fourth proportional to 247,940.01, 342,150.03 and 140,519.97 is: 193,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,940.01 : 342,150.03 = 140,519.97 : x
  2. Step 2: Convert to fraction form
    247,940.01/342,150.03 = 140,519.97/x
  3. Step 3: Cross multiply
    247,940.01x = 342,150.03 × 140,519.97
  4. Step 4: Simplify right side
    247,940.01x = 48,078,911,951.10
  5. Step 5: Solve for x
    x = 48,078,911,951.10/247,940.01
  6. Step 6: Final answer
    x = 193,913.49

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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.