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Finding the Fourth Proportional to 63,163.26, 87,163.11 and 37,656.48

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Solution

The fourth proportional to 63,163.26, 87,163.11 and 37,656.48 is: 51,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,163.26 : 87,163.11 = 37,656.48 : x
  2. Step 2: Convert to fraction form
    63,163.26/87,163.11 = 37,656.48/x
  3. Step 3: Cross multiply
    63,163.26x = 87,163.11 × 37,656.48
  4. Step 4: Simplify right side
    63,163.26x = 3,282,255,908.45
  5. Step 5: Solve for x
    x = 3,282,255,908.45/63,163.26
  6. Step 6: Final answer
    x = 51,964.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.