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Finding the Fourth Proportional to 220,040.73, 330,173.64 and 104,765.69

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Solution

The fourth proportional to 220,040.73, 330,173.64 and 104,765.69 is: 157,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,040.73 : 330,173.64 = 104,765.69 : x
  2. Step 2: Convert to fraction form
    220,040.73/330,173.64 = 104,765.69/x
  3. Step 3: Cross multiply
    220,040.73x = 330,173.64 × 104,765.69
  4. Step 4: Simplify right side
    220,040.73x = 34,590,867,563.54
  5. Step 5: Solve for x
    x = 34,590,867,563.54/220,040.73
  6. Step 6: Final answer
    x = 157,202.11

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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.