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Finding the Fourth Proportional to 73,773.12, 110,659.62 and 27,029.64

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Solution

The fourth proportional to 73,773.12, 110,659.62 and 27,029.64 is: 40,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,773.12 : 110,659.62 = 27,029.64 : x
  2. Step 2: Convert to fraction form
    73,773.12/110,659.62 = 27,029.64/x
  3. Step 3: Cross multiply
    73,773.12x = 110,659.62 × 27,029.64
  4. Step 4: Simplify right side
    73,773.12x = 2,991,089,691.14
  5. Step 5: Solve for x
    x = 2,991,089,691.14/73,773.12
  6. Step 6: Final answer
    x = 40,544.44

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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.