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Finding the Fourth Proportional to 73,397.80, 101,251.88 and 43,163.88

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Solution

The fourth proportional to 73,397.80, 101,251.88 and 43,163.88 is: 59,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,397.80 : 101,251.88 = 43,163.88 : x
  2. Step 2: Convert to fraction form
    73,397.80/101,251.88 = 43,163.88/x
  3. Step 3: Cross multiply
    73,397.80x = 101,251.88 × 43,163.88
  4. Step 4: Simplify right side
    73,397.80x = 4,370,423,998.09
  5. Step 5: Solve for x
    x = 4,370,423,998.09/73,397.80
  6. Step 6: Final answer
    x = 59,544.35

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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.