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Finding the Fourth Proportional to 440,099.33, 660,185.44 and 140,622.48

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Solution

The fourth proportional to 440,099.33, 660,185.44 and 140,622.48 is: 210,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,099.33 : 660,185.44 = 140,622.48 : x
  2. Step 2: Convert to fraction form
    440,099.33/660,185.44 = 140,622.48/x
  3. Step 3: Cross multiply
    440,099.33x = 660,185.44 × 140,622.48
  4. Step 4: Simplify right side
    440,099.33x = 92,836,913,481.14
  5. Step 5: Solve for x
    x = 92,836,913,481.14/440,099.33
  6. Step 6: Final answer
    x = 210,945.37

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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.