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Finding the Fourth Proportional to 67,473.39, 100,997.88 and 46,289.58

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Solution

The fourth proportional to 67,473.39, 100,997.88 and 46,289.58 is: 69,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,473.39 : 100,997.88 = 46,289.58 : x
  2. Step 2: Convert to fraction form
    67,473.39/100,997.88 = 46,289.58/x
  3. Step 3: Cross multiply
    67,473.39x = 100,997.88 × 46,289.58
  4. Step 4: Simplify right side
    67,473.39x = 4,675,149,446.09
  5. Step 5: Solve for x
    x = 4,675,149,446.09/67,473.39
  6. Step 6: Final answer
    x = 69,288.79

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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.