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Finding the Fourth Proportional to 73,003.01, 100,745.64 and 41,165.82

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Solution

The fourth proportional to 73,003.01, 100,745.64 and 41,165.82 is: 56,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.01 : 100,745.64 = 41,165.82 : x
  2. Step 2: Convert to fraction form
    73,003.01/100,745.64 = 41,165.82/x
  3. Step 3: Cross multiply
    73,003.01x = 100,745.64 × 41,165.82
  4. Step 4: Simplify right side
    73,003.01x = 4,147,276,882.02
  5. Step 5: Solve for x
    x = 4,147,276,882.02/73,003.01
  6. Step 6: Final answer
    x = 56,809.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.