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Finding the Fourth Proportional to 70,862.20, 106,200.24 and 33,371.44

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Solution

The fourth proportional to 70,862.20, 106,200.24 and 33,371.44 is: 50,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,862.20 : 106,200.24 = 33,371.44 : x
  2. Step 2: Convert to fraction form
    70,862.20/106,200.24 = 33,371.44/x
  3. Step 3: Cross multiply
    70,862.20x = 106,200.24 × 33,371.44
  4. Step 4: Simplify right side
    70,862.20x = 3,544,054,937.15
  5. Step 5: Solve for x
    x = 3,544,054,937.15/70,862.20
  6. Step 6: Final answer
    x = 50,013.33

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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.