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Finding the Fourth Proportional to 73,538, 110,343.45 and 29,163.77

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Solution

The fourth proportional to 73,538, 110,343.45 and 29,163.77 is: 43,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,538 : 110,343.45 = 29,163.77 : x
  2. Step 2: Convert to fraction form
    73,538/110,343.45 = 29,163.77/x
  3. Step 3: Cross multiply
    73,538x = 110,343.45 × 29,163.77
  4. Step 4: Simplify right side
    73,538x = 3,218,030,996.81
  5. Step 5: Solve for x
    x = 3,218,030,996.81/73,538
  6. Step 6: Final answer
    x = 43,760.11

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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.