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Finding the Fourth Proportional to 73,764.97, 110,460.60 and 45,739.76

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Solution

The fourth proportional to 73,764.97, 110,460.60 and 45,739.76 is: 68,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,764.97 : 110,460.60 = 45,739.76 : x
  2. Step 2: Convert to fraction form
    73,764.97/110,460.60 = 45,739.76/x
  3. Step 3: Cross multiply
    73,764.97x = 110,460.60 × 45,739.76
  4. Step 4: Simplify right side
    73,764.97x = 5,052,441,239.28
  5. Step 5: Solve for x
    x = 5,052,441,239.28/73,764.97
  6. Step 6: Final answer
    x = 68,493.78

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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.