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Finding the Fourth Proportional to 71,563.78, 107,358.03 and 24,179.21

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Solution

The fourth proportional to 71,563.78, 107,358.03 and 24,179.21 is: 36,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,563.78 : 107,358.03 = 24,179.21 : x
  2. Step 2: Convert to fraction form
    71,563.78/107,358.03 = 24,179.21/x
  3. Step 3: Cross multiply
    71,563.78x = 107,358.03 × 24,179.21
  4. Step 4: Simplify right side
    71,563.78x = 2,595,831,815.77
  5. Step 5: Solve for x
    x = 2,595,831,815.77/71,563.78
  6. Step 6: Final answer
    x = 36,272.98

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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.