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Finding the Fourth Proportional to 192,901.20, 269,439.60 and 192,901.20

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Solution

The fourth proportional to 192,901.20, 269,439.60 and 192,901.20 is: 269,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,901.20 : 269,439.60 = 192,901.20 : x
  2. Step 2: Convert to fraction form
    192,901.20/269,439.60 = 192,901.20/x
  3. Step 3: Cross multiply
    192,901.20x = 269,439.60 × 192,901.20
  4. Step 4: Simplify right side
    192,901.20x = 51,975,222,167.52
  5. Step 5: Solve for x
    x = 51,975,222,167.52/192,901.20
  6. Step 6: Final answer
    x = 269,439.60

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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.