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Finding the Fourth Proportional to 73,820.39, 110,745.15 and 27,073.67

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Solution

The fourth proportional to 73,820.39, 110,745.15 and 27,073.67 is: 40,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,820.39 : 110,745.15 = 27,073.67 : x
  2. Step 2: Convert to fraction form
    73,820.39/110,745.15 = 27,073.67/x
  3. Step 3: Cross multiply
    73,820.39x = 110,745.15 × 27,073.67
  4. Step 4: Simplify right side
    73,820.39x = 2,998,277,091.47
  5. Step 5: Solve for x
    x = 2,998,277,091.47/73,820.39
  6. Step 6: Final answer
    x = 40,615.84

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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.