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Finding the Fourth Proportional to 73,505.77, 110,295.09 and 29,131.54

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Solution

The fourth proportional to 73,505.77, 110,295.09 and 29,131.54 is: 43,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,505.77 : 110,295.09 = 29,131.54 : x
  2. Step 2: Convert to fraction form
    73,505.77/110,295.09 = 29,131.54/x
  3. Step 3: Cross multiply
    73,505.77x = 110,295.09 × 29,131.54
  4. Step 4: Simplify right side
    73,505.77x = 3,213,065,826.14
  5. Step 5: Solve for x
    x = 3,213,065,826.14/73,505.77
  6. Step 6: Final answer
    x = 43,711.75

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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.