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Finding the Fourth Proportional to 73,538.66, 110,305.76 and 43,757.12

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Solution

The fourth proportional to 73,538.66, 110,305.76 and 43,757.12 is: 65,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,538.66 : 110,305.76 = 43,757.12 : x
  2. Step 2: Convert to fraction form
    73,538.66/110,305.76 = 43,757.12/x
  3. Step 3: Cross multiply
    73,538.66x = 110,305.76 × 43,757.12
  4. Step 4: Simplify right side
    73,538.66x = 4,826,661,606.70
  5. Step 5: Solve for x
    x = 4,826,661,606.70/73,538.66
  6. Step 6: Final answer
    x = 65,634.35

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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.