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Finding the Fourth Proportional to 269,769.90, 404,888.10 and 103,674.54

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Solution

The fourth proportional to 269,769.90, 404,888.10 and 103,674.54 is: 155,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,769.90 : 404,888.10 = 103,674.54 : x
  2. Step 2: Convert to fraction form
    269,769.90/404,888.10 = 103,674.54/x
  3. Step 3: Cross multiply
    269,769.90x = 404,888.10 × 103,674.54
  4. Step 4: Simplify right side
    269,769.90x = 41,976,587,518.97
  5. Step 5: Solve for x
    x = 41,976,587,518.97/269,769.90
  6. Step 6: Final answer
    x = 155,601.45

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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.