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Finding the Fourth Proportional to 199,570.87, 299,356.29 and 73,163.34

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Solution

The fourth proportional to 199,570.87, 299,356.29 and 73,163.34 is: 109,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,570.87 : 299,356.29 = 73,163.34 : x
  2. Step 2: Convert to fraction form
    199,570.87/299,356.29 = 73,163.34/x
  3. Step 3: Cross multiply
    199,570.87x = 299,356.29 × 73,163.34
  4. Step 4: Simplify right side
    199,570.87x = 21,901,906,026.41
  5. Step 5: Solve for x
    x = 21,901,906,026.41/199,570.87
  6. Step 6: Final answer
    x = 109,745.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.