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Finding the Fourth Proportional to 70,606.62, 105,906.69 and 23,859.90

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Solution

The fourth proportional to 70,606.62, 105,906.69 and 23,859.90 is: 35,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.62 : 105,906.69 = 23,859.90 : x
  2. Step 2: Convert to fraction form
    70,606.62/105,906.69 = 23,859.90/x
  3. Step 3: Cross multiply
    70,606.62x = 105,906.69 × 23,859.90
  4. Step 4: Simplify right side
    70,606.62x = 2,526,923,032.73
  5. Step 5: Solve for x
    x = 2,526,923,032.73/70,606.62
  6. Step 6: Final answer
    x = 35,788.76

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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.