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Finding the Fourth Proportional to 269,504,513.80, 404,396,738.70 and 125,897,345.80

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Solution

The fourth proportional to 269,504,513.80, 404,396,738.70 and 125,897,345.80 is: 188,911,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,504,513.80 : 404,396,738.70 = 125,897,345.80 : x
  2. Step 2: Convert to fraction form
    269,504,513.80/404,396,738.70 = 125,897,345.80/x
  3. Step 3: Cross multiply
    269,504,513.80x = 404,396,738.70 × 125,897,345.80
  4. Step 4: Simplify right side
    269,504,513.80x = 50,912,476,052,506,136
  5. Step 5: Solve for x
    x = 50,912,476,052,506,136/269,504,513.80
  6. Step 6: Final answer
    x = 188,911,403.87

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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.