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Finding the Fourth Proportional to 76,573.37, 114,843.96 and 29,171.97

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Solution

The fourth proportional to 76,573.37, 114,843.96 and 29,171.97 is: 43,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,573.37 : 114,843.96 = 29,171.97 : x
  2. Step 2: Convert to fraction form
    76,573.37/114,843.96 = 29,171.97/x
  3. Step 3: Cross multiply
    76,573.37x = 114,843.96 × 29,171.97
  4. Step 4: Simplify right side
    76,573.37x = 3,350,224,555.80
  5. Step 5: Solve for x
    x = 3,350,224,555.80/76,573.37
  6. Step 6: Final answer
    x = 43,751.82

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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.