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Finding the Fourth Proportional to 73,422.44, 110,133.66 and 18,018.44

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Solution

The fourth proportional to 73,422.44, 110,133.66 and 18,018.44 is: 27,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422.44 : 110,133.66 = 18,018.44 : x
  2. Step 2: Convert to fraction form
    73,422.44/110,133.66 = 18,018.44/x
  3. Step 3: Cross multiply
    73,422.44x = 110,133.66 × 18,018.44
  4. Step 4: Simplify right side
    73,422.44x = 1,984,436,744.69
  5. Step 5: Solve for x
    x = 1,984,436,744.69/73,422.44
  6. Step 6: Final answer
    x = 27,027.66

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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.