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Finding the Fourth Proportional to 71,198.52, 106,600.92 and 53,615.04

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Solution

The fourth proportional to 71,198.52, 106,600.92 and 53,615.04 is: 80,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,198.52 : 106,600.92 = 53,615.04 : x
  2. Step 2: Convert to fraction form
    71,198.52/106,600.92 = 53,615.04/x
  3. Step 3: Cross multiply
    71,198.52x = 106,600.92 × 53,615.04
  4. Step 4: Simplify right side
    71,198.52x = 5,715,412,589.84
  5. Step 5: Solve for x
    x = 5,715,412,589.84/71,198.52
  6. Step 6: Final answer
    x = 80,274.32

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1.5x scale

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.