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Finding the Fourth Proportional to 73,642.67, 101,620.64 and 41,374.76

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Solution

The fourth proportional to 73,642.67, 101,620.64 and 41,374.76 is: 57,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,642.67 : 101,620.64 = 41,374.76 : x
  2. Step 2: Convert to fraction form
    73,642.67/101,620.64 = 41,374.76/x
  3. Step 3: Cross multiply
    73,642.67x = 101,620.64 × 41,374.76
  4. Step 4: Simplify right side
    73,642.67x = 4,204,529,591.05
  5. Step 5: Solve for x
    x = 4,204,529,591.05/73,642.67
  6. Step 6: Final answer
    x = 57,093.66

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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.