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Finding the Fourth Proportional to 192,001.80, 269,079 and 192,001.80

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Solution

The fourth proportional to 192,001.80, 269,079 and 192,001.80 is: 269,079

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,001.80 : 269,079 = 192,001.80 : x
  2. Step 2: Convert to fraction form
    192,001.80/269,079 = 192,001.80/x
  3. Step 3: Cross multiply
    192,001.80x = 269,079 × 192,001.80
  4. Step 4: Simplify right side
    192,001.80x = 51,663,652,342.20
  5. Step 5: Solve for x
    x = 51,663,652,342.20/192,001.80
  6. Step 6: Final answer
    x = 269,079

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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.