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Finding the Fourth Proportional to 73,773.42, 110,665.01 and 21,183.36

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Solution

The fourth proportional to 73,773.42, 110,665.01 and 21,183.36 is: 31,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,773.42 : 110,665.01 = 21,183.36 : x
  2. Step 2: Convert to fraction form
    73,773.42/110,665.01 = 21,183.36/x
  3. Step 3: Cross multiply
    73,773.42x = 110,665.01 × 21,183.36
  4. Step 4: Simplify right side
    73,773.42x = 2,344,256,799.19
  5. Step 5: Solve for x
    x = 2,344,256,799.19/73,773.42
  6. Step 6: Final answer
    x = 31,776.44

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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.