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Finding the Fourth Proportional to 71,360.52, 106,843.95 and 53,777.04

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Solution

The fourth proportional to 71,360.52, 106,843.95 and 53,777.04 is: 80,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,360.52 : 106,843.95 = 53,777.04 : x
  2. Step 2: Convert to fraction form
    71,360.52/106,843.95 = 53,777.04/x
  3. Step 3: Cross multiply
    71,360.52x = 106,843.95 × 53,777.04
  4. Step 4: Simplify right side
    71,360.52x = 5,745,751,372.91
  5. Step 5: Solve for x
    x = 5,745,751,372.91/71,360.52
  6. Step 6: Final answer
    x = 80,517.23

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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.