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Finding the Fourth Proportional to 70,833.70, 106,258.34 and 23,431.52

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Solution

The fourth proportional to 70,833.70, 106,258.34 and 23,431.52 is: 35,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,833.70 : 106,258.34 = 23,431.52 : x
  2. Step 2: Convert to fraction form
    70,833.70/106,258.34 = 23,431.52/x
  3. Step 3: Cross multiply
    70,833.70x = 106,258.34 × 23,431.52
  4. Step 4: Simplify right side
    70,833.70x = 2,489,794,418.88
  5. Step 5: Solve for x
    x = 2,489,794,418.88/70,833.70
  6. Step 6: Final answer
    x = 35,149.86

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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.