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Finding the Fourth Proportional to 136,580.94, 204,930.45 and 73,327.23

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Solution

The fourth proportional to 136,580.94, 204,930.45 and 73,327.23 is: 110,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,580.94 : 204,930.45 = 73,327.23 : x
  2. Step 2: Convert to fraction form
    136,580.94/204,930.45 = 73,327.23/x
  3. Step 3: Cross multiply
    136,580.94x = 204,930.45 × 73,327.23
  4. Step 4: Simplify right side
    136,580.94x = 15,026,982,241.15
  5. Step 5: Solve for x
    x = 15,026,982,241.15/136,580.94
  6. Step 6: Final answer
    x = 110,022.54

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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.