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Finding the Fourth Proportional to 73,751.82, 101,777.58 and 41,919.90

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Solution

The fourth proportional to 73,751.82, 101,777.58 and 41,919.90 is: 57,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,751.82 : 101,777.58 = 41,919.90 : x
  2. Step 2: Convert to fraction form
    73,751.82/101,777.58 = 41,919.90/x
  3. Step 3: Cross multiply
    73,751.82x = 101,777.58 × 41,919.90
  4. Step 4: Simplify right side
    73,751.82x = 4,266,505,975.84
  5. Step 5: Solve for x
    x = 4,266,505,975.84/73,751.82
  6. Step 6: Final answer
    x = 57,849.50

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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.