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Finding the Fourth Proportional to 69,106.52, 103,680.84 and 35,850.44

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Solution

The fourth proportional to 69,106.52, 103,680.84 and 35,850.44 is: 53,786.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,106.52 : 103,680.84 = 35,850.44 : x
  2. Step 2: Convert to fraction form
    69,106.52/103,680.84 = 35,850.44/x
  3. Step 3: Cross multiply
    69,106.52x = 103,680.84 × 35,850.44
  4. Step 4: Simplify right side
    69,106.52x = 3,717,003,733.57
  5. Step 5: Solve for x
    x = 3,717,003,733.57/69,106.52
  6. Step 6: Final answer
    x = 53,786.59

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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.