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Finding the Fourth Proportional to 73,820.63, 110,745.53 and 27,073.91

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Solution

The fourth proportional to 73,820.63, 110,745.53 and 27,073.91 is: 40,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,820.63 : 110,745.53 = 27,073.91 : x
  2. Step 2: Convert to fraction form
    73,820.63/110,745.53 = 27,073.91/x
  3. Step 3: Cross multiply
    73,820.63x = 110,745.53 × 27,073.91
  4. Step 4: Simplify right side
    73,820.63x = 2,998,314,512.12
  5. Step 5: Solve for x
    x = 2,998,314,512.12/73,820.63
  6. Step 6: Final answer
    x = 40,616.21

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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.