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Finding the Fourth Proportional to 200,323.44, 276,435.84 and 109,662.03

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Solution

The fourth proportional to 200,323.44, 276,435.84 and 109,662.03 is: 151,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,323.44 : 276,435.84 = 109,662.03 : x
  2. Step 2: Convert to fraction form
    200,323.44/276,435.84 = 109,662.03/x
  3. Step 3: Cross multiply
    200,323.44x = 276,435.84 × 109,662.03
  4. Step 4: Simplify right side
    200,323.44x = 30,314,515,379.16
  5. Step 5: Solve for x
    x = 30,314,515,379.16/200,323.44
  6. Step 6: Final answer
    x = 151,327.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.