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Finding the Fourth Proportional to 70,321.45, 105,483.26 and 22,936.34

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Solution

The fourth proportional to 70,321.45, 105,483.26 and 22,936.34 is: 34,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.45 : 105,483.26 = 22,936.34 : x
  2. Step 2: Convert to fraction form
    70,321.45/105,483.26 = 22,936.34/x
  3. Step 3: Cross multiply
    70,321.45x = 105,483.26 × 22,936.34
  4. Step 4: Simplify right side
    70,321.45x = 2,419,399,915.67
  5. Step 5: Solve for x
    x = 2,419,399,915.67/70,321.45
  6. Step 6: Final answer
    x = 34,404.86

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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.