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Finding the Fourth Proportional to 185,846.92, 256,469.76 and 100,964.16

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Solution

The fourth proportional to 185,846.92, 256,469.76 and 100,964.16 is: 139,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,846.92 : 256,469.76 = 100,964.16 : x
  2. Step 2: Convert to fraction form
    185,846.92/256,469.76 = 100,964.16/x
  3. Step 3: Cross multiply
    185,846.92x = 256,469.76 × 100,964.16
  4. Step 4: Simplify right side
    185,846.92x = 25,894,253,883.80
  5. Step 5: Solve for x
    x = 25,894,253,883.80/185,846.92
  6. Step 6: Final answer
    x = 139,331.09

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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.