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Finding the Fourth Proportional to 254,371.75, 381,564.92 and 67,383.25

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Solution

The fourth proportional to 254,371.75, 381,564.92 and 67,383.25 is: 101,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,371.75 : 381,564.92 = 67,383.25 : x
  2. Step 2: Convert to fraction form
    254,371.75/381,564.92 = 67,383.25/x
  3. Step 3: Cross multiply
    254,371.75x = 381,564.92 × 67,383.25
  4. Step 4: Simplify right side
    254,371.75x = 25,711,084,395.59
  5. Step 5: Solve for x
    x = 25,711,084,395.59/254,371.75
  6. Step 6: Final answer
    x = 101,076.81

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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.