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Finding the Fourth Proportional to 269,389.53, 404,069.72 and 82,401.03

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Solution

The fourth proportional to 269,389.53, 404,069.72 and 82,401.03 is: 123,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,389.53 : 404,069.72 = 82,401.03 : x
  2. Step 2: Convert to fraction form
    269,389.53/404,069.72 = 82,401.03/x
  3. Step 3: Cross multiply
    269,389.53x = 404,069.72 × 82,401.03
  4. Step 4: Simplify right side
    269,389.53x = 33,295,760,707.81
  5. Step 5: Solve for x
    x = 33,295,760,707.81/269,389.53
  6. Step 6: Final answer
    x = 123,597.09

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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.