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Finding the Fourth Proportional to 73,843.57, 110,772.21 and 57,222.20

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Solution

The fourth proportional to 73,843.57, 110,772.21 and 57,222.20 is: 85,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,843.57 : 110,772.21 = 57,222.20 : x
  2. Step 2: Convert to fraction form
    73,843.57/110,772.21 = 57,222.20/x
  3. Step 3: Cross multiply
    73,843.57x = 110,772.21 × 57,222.20
  4. Step 4: Simplify right side
    73,843.57x = 6,338,629,555.06
  5. Step 5: Solve for x
    x = 6,338,629,555.06/73,843.57
  6. Step 6: Final answer
    x = 85,838.61

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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.