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Finding the Fourth Proportional to 192,616.20, 269,137.80 and 192,616.20

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Solution

The fourth proportional to 192,616.20, 269,137.80 and 192,616.20 is: 269,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,616.20 : 269,137.80 = 192,616.20 : x
  2. Step 2: Convert to fraction form
    192,616.20/269,137.80 = 192,616.20/x
  3. Step 3: Cross multiply
    192,616.20x = 269,137.80 × 192,616.20
  4. Step 4: Simplify right side
    192,616.20x = 51,840,300,312.36
  5. Step 5: Solve for x
    x = 51,840,300,312.36/192,616.20
  6. Step 6: Final answer
    x = 269,137.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.