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Finding the Fourth Proportional to 69,252.21, 103,843.65 and 35,963.01

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Solution

The fourth proportional to 69,252.21, 103,843.65 and 35,963.01 is: 53,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,252.21 : 103,843.65 = 35,963.01 : x
  2. Step 2: Convert to fraction form
    69,252.21/103,843.65 = 35,963.01/x
  3. Step 3: Cross multiply
    69,252.21x = 103,843.65 × 35,963.01
  4. Step 4: Simplify right side
    69,252.21x = 3,734,530,223.39
  5. Step 5: Solve for x
    x = 3,734,530,223.39/69,252.21
  6. Step 6: Final answer
    x = 53,926.51

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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.