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Finding the Fourth Proportional to 73,858.31, 101,923.94 and 40,324.31

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Solution

The fourth proportional to 73,858.31, 101,923.94 and 40,324.31 is: 55,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,858.31 : 101,923.94 = 40,324.31 : x
  2. Step 2: Convert to fraction form
    73,858.31/101,923.94 = 40,324.31/x
  3. Step 3: Cross multiply
    73,858.31x = 101,923.94 × 40,324.31
  4. Step 4: Simplify right side
    73,858.31x = 4,110,012,552.98
  5. Step 5: Solve for x
    x = 4,110,012,552.98/73,858.31
  6. Step 6: Final answer
    x = 55,647.26

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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.