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Finding the Fourth Proportional to 70,351.80, 105,491.70 and 22,936.44

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Solution

The fourth proportional to 70,351.80, 105,491.70 and 22,936.44 is: 34,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.80 : 105,491.70 = 22,936.44 : x
  2. Step 2: Convert to fraction form
    70,351.80/105,491.70 = 22,936.44/x
  3. Step 3: Cross multiply
    70,351.80x = 105,491.70 × 22,936.44
  4. Step 4: Simplify right side
    70,351.80x = 2,419,604,047.55
  5. Step 5: Solve for x
    x = 2,419,604,047.55/70,351.80
  6. Step 6: Final answer
    x = 34,392.92

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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.