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Finding the Fourth Proportional to 73,363.83, 110,055.31 and 20,773.77

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Solution

The fourth proportional to 73,363.83, 110,055.31 and 20,773.77 is: 31,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,363.83 : 110,055.31 = 20,773.77 : x
  2. Step 2: Convert to fraction form
    73,363.83/110,055.31 = 20,773.77/x
  3. Step 3: Cross multiply
    73,363.83x = 110,055.31 × 20,773.77
  4. Step 4: Simplify right side
    73,363.83x = 2,286,263,232.58
  5. Step 5: Solve for x
    x = 2,286,263,232.58/73,363.83
  6. Step 6: Final answer
    x = 31,163.36

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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.