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Finding the Fourth Proportional to 73,720.53, 101,703.60 and 41,883.21

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Solution

The fourth proportional to 73,720.53, 101,703.60 and 41,883.21 is: 57,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,720.53 : 101,703.60 = 41,883.21 : x
  2. Step 2: Convert to fraction form
    73,720.53/101,703.60 = 41,883.21/x
  3. Step 3: Cross multiply
    73,720.53x = 101,703.60 × 41,883.21
  4. Step 4: Simplify right side
    73,720.53x = 4,259,673,236.56
  5. Step 5: Solve for x
    x = 4,259,673,236.56/73,720.53
  6. Step 6: Final answer
    x = 57,781.37

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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.