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Finding the Fourth Proportional to 269,163.52, 403,792.64 and 111,303.52

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Solution

The fourth proportional to 269,163.52, 403,792.64 and 111,303.52 is: 166,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,163.52 : 403,792.64 = 111,303.52 : x
  2. Step 2: Convert to fraction form
    269,163.52/403,792.64 = 111,303.52/x
  3. Step 3: Cross multiply
    269,163.52x = 403,792.64 × 111,303.52
  4. Step 4: Simplify right side
    269,163.52x = 44,943,542,182.09
  5. Step 5: Solve for x
    x = 44,943,542,182.09/269,163.52
  6. Step 6: Final answer
    x = 166,974.86

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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.