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Finding the Fourth Proportional to 73,107.97, 109,662.86 and 25,724.49

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Solution

The fourth proportional to 73,107.97, 109,662.86 and 25,724.49 is: 38,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,107.97 : 109,662.86 = 25,724.49 : x
  2. Step 2: Convert to fraction form
    73,107.97/109,662.86 = 25,724.49/x
  3. Step 3: Cross multiply
    73,107.97x = 109,662.86 × 25,724.49
  4. Step 4: Simplify right side
    73,107.97x = 2,821,020,798.52
  5. Step 5: Solve for x
    x = 2,821,020,798.52/73,107.97
  6. Step 6: Final answer
    x = 38,587.05

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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.