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Finding the Fourth Proportional to 192,617.70, 269,139.90 and 192,617.70

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Solution

The fourth proportional to 192,617.70, 269,139.90 and 192,617.70 is: 269,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,617.70 : 269,139.90 = 192,617.70 : x
  2. Step 2: Convert to fraction form
    192,617.70/269,139.90 = 192,617.70/x
  3. Step 3: Cross multiply
    192,617.70x = 269,139.90 × 192,617.70
  4. Step 4: Simplify right side
    192,617.70x = 51,841,108,516.23
  5. Step 5: Solve for x
    x = 51,841,108,516.23/192,617.70
  6. Step 6: Final answer
    x = 269,139.90

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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.