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Finding the Fourth Proportional to 73,797.03, 110,727.95 and 38,728.49

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Solution

The fourth proportional to 73,797.03, 110,727.95 and 38,728.49 is: 58,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,797.03 : 110,727.95 = 38,728.49 : x
  2. Step 2: Convert to fraction form
    73,797.03/110,727.95 = 38,728.49/x
  3. Step 3: Cross multiply
    73,797.03x = 110,727.95 × 38,728.49
  4. Step 4: Simplify right side
    73,797.03x = 4,288,325,557.01
  5. Step 5: Solve for x
    x = 4,288,325,557.01/73,797.03
  6. Step 6: Final answer
    x = 58,109.73

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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.