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Finding the Fourth Proportional to 228,805.08, 315,563.82 and 161,046.36

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Solution

The fourth proportional to 228,805.08, 315,563.82 and 161,046.36 is: 222,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,805.08 : 315,563.82 = 161,046.36 : x
  2. Step 2: Convert to fraction form
    228,805.08/315,563.82 = 161,046.36/x
  3. Step 3: Cross multiply
    228,805.08x = 315,563.82 × 161,046.36
  4. Step 4: Simplify right side
    228,805.08x = 50,820,404,558.70
  5. Step 5: Solve for x
    x = 50,820,404,558.70/228,805.08
  6. Step 6: Final answer
    x = 222,112.22

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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.