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Finding the Fourth Proportional to 71,957.75, 107,936.87 and 22,037.63

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Solution

The fourth proportional to 71,957.75, 107,936.87 and 22,037.63 is: 33,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,957.75 : 107,936.87 = 22,037.63 : x
  2. Step 2: Convert to fraction form
    71,957.75/107,936.87 = 22,037.63/x
  3. Step 3: Cross multiply
    71,957.75x = 107,936.87 × 22,037.63
  4. Step 4: Simplify right side
    71,957.75x = 2,378,672,154.55
  5. Step 5: Solve for x
    x = 2,378,672,154.55/71,957.75
  6. Step 6: Final answer
    x = 33,056.51

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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.