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Finding the Fourth Proportional to 70,321.95, 105,484.01 and 22,936.84

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Solution

The fourth proportional to 70,321.95, 105,484.01 and 22,936.84 is: 34,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.95 : 105,484.01 = 22,936.84 : x
  2. Step 2: Convert to fraction form
    70,321.95/105,484.01 = 22,936.84/x
  3. Step 3: Cross multiply
    70,321.95x = 105,484.01 × 22,936.84
  4. Step 4: Simplify right side
    70,321.95x = 2,419,469,859.93
  5. Step 5: Solve for x
    x = 2,419,469,859.93/70,321.95
  6. Step 6: Final answer
    x = 34,405.61

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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.