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Finding the Fourth Proportional to 269,359.80, 404,007.30 and 111,571.80

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Solution

The fourth proportional to 269,359.80, 404,007.30 and 111,571.80 is: 167,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,359.80 : 404,007.30 = 111,571.80 : x
  2. Step 2: Convert to fraction form
    269,359.80/404,007.30 = 111,571.80/x
  3. Step 3: Cross multiply
    269,359.80x = 404,007.30 × 111,571.80
  4. Step 4: Simplify right side
    269,359.80x = 45,075,821,674.14
  5. Step 5: Solve for x
    x = 45,075,821,674.14/269,359.80
  6. Step 6: Final answer
    x = 167,344.28

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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.