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Finding the Fourth Proportional to 73,895.76, 110,843.64 and 34,480.48

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Solution

The fourth proportional to 73,895.76, 110,843.64 and 34,480.48 is: 51,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,895.76 : 110,843.64 = 34,480.48 : x
  2. Step 2: Convert to fraction form
    73,895.76/110,843.64 = 34,480.48/x
  3. Step 3: Cross multiply
    73,895.76x = 110,843.64 × 34,480.48
  4. Step 4: Simplify right side
    73,895.76x = 3,821,941,912.15
  5. Step 5: Solve for x
    x = 3,821,941,912.15/73,895.76
  6. Step 6: Final answer
    x = 51,720.72

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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.