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Finding the Fourth Proportional to 73,552.50, 101,504.07 and 40,018.50

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Solution

The fourth proportional to 73,552.50, 101,504.07 and 40,018.50 is: 55,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,552.50 : 101,504.07 = 40,018.50 : x
  2. Step 2: Convert to fraction form
    73,552.50/101,504.07 = 40,018.50/x
  3. Step 3: Cross multiply
    73,552.50x = 101,504.07 × 40,018.50
  4. Step 4: Simplify right side
    73,552.50x = 4,062,040,625.30
  5. Step 5: Solve for x
    x = 4,062,040,625.30/73,552.50
  6. Step 6: Final answer
    x = 55,226.41

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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.