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Finding the Fourth Proportional to 268,772.48, 370,917.60 and 161,351.36

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Solution

The fourth proportional to 268,772.48, 370,917.60 and 161,351.36 is: 222,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,772.48 : 370,917.60 = 161,351.36 : x
  2. Step 2: Convert to fraction form
    268,772.48/370,917.60 = 161,351.36/x
  3. Step 3: Cross multiply
    268,772.48x = 370,917.60 × 161,351.36
  4. Step 4: Simplify right side
    268,772.48x = 59,848,059,207.94
  5. Step 5: Solve for x
    x = 59,848,059,207.94/268,772.48
  6. Step 6: Final answer
    x = 222,671.83

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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.