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Finding the Fourth Proportional to 269,911.77, 404,545.54 and 125,623.43

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Solution

The fourth proportional to 269,911.77, 404,545.54 and 125,623.43 is: 188,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,911.77 : 404,545.54 = 125,623.43 : x
  2. Step 2: Convert to fraction form
    269,911.77/404,545.54 = 125,623.43/x
  3. Step 3: Cross multiply
    269,911.77x = 404,545.54 × 125,623.43
  4. Step 4: Simplify right side
    269,911.77x = 50,820,398,326.00
  5. Step 5: Solve for x
    x = 50,820,398,326.00/269,911.77
  6. Step 6: Final answer
    x = 188,285.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.