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Finding the Fourth Proportional to 71,202.55, 106,814.44 and 26,220.44

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Solution

The fourth proportional to 71,202.55, 106,814.44 and 26,220.44 is: 39,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.55 : 106,814.44 = 26,220.44 : x
  2. Step 2: Convert to fraction form
    71,202.55/106,814.44 = 26,220.44/x
  3. Step 3: Cross multiply
    71,202.55x = 106,814.44 × 26,220.44
  4. Step 4: Simplify right side
    71,202.55x = 2,800,722,048.48
  5. Step 5: Solve for x
    x = 2,800,722,048.48/71,202.55
  6. Step 6: Final answer
    x = 39,334.58

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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.