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Finding the Fourth Proportional to 73,007.25, 100,750.01 and 39,473.25

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Solution

The fourth proportional to 73,007.25, 100,750.01 and 39,473.25 is: 54,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007.25 : 100,750.01 = 39,473.25 : x
  2. Step 2: Convert to fraction form
    73,007.25/100,750.01 = 39,473.25/x
  3. Step 3: Cross multiply
    73,007.25x = 100,750.01 × 39,473.25
  4. Step 4: Simplify right side
    73,007.25x = 3,976,930,134.87
  5. Step 5: Solve for x
    x = 3,976,930,134.87/73,007.25
  6. Step 6: Final answer
    x = 54,473.09

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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.