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Finding the Fourth Proportional to 73,255.36, 101,093.01 and 39,721.36

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Solution

The fourth proportional to 73,255.36, 101,093.01 and 39,721.36 is: 54,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,255.36 : 101,093.01 = 39,721.36 : x
  2. Step 2: Convert to fraction form
    73,255.36/101,093.01 = 39,721.36/x
  3. Step 3: Cross multiply
    73,255.36x = 101,093.01 × 39,721.36
  4. Step 4: Simplify right side
    73,255.36x = 4,015,551,631.56
  5. Step 5: Solve for x
    x = 4,015,551,631.56/73,255.36
  6. Step 6: Final answer
    x = 54,815.81

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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.