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Finding the Fourth Proportional to 73,562.22, 110,361.83 and 20,971.76

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Solution

The fourth proportional to 73,562.22, 110,361.83 and 20,971.76 is: 31,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,562.22 : 110,361.83 = 20,971.76 : x
  2. Step 2: Convert to fraction form
    73,562.22/110,361.83 = 20,971.76/x
  3. Step 3: Cross multiply
    73,562.22x = 110,361.83 × 20,971.76
  4. Step 4: Simplify right side
    73,562.22x = 2,314,481,155.25
  5. Step 5: Solve for x
    x = 2,314,481,155.25/73,562.22
  6. Step 6: Final answer
    x = 31,462.91

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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.