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Finding the Fourth Proportional to 73,571.82, 110,260.62 and 29,174.28

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Solution

The fourth proportional to 73,571.82, 110,260.62 and 29,174.28 is: 43,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,571.82 : 110,260.62 = 29,174.28 : x
  2. Step 2: Convert to fraction form
    73,571.82/110,260.62 = 29,174.28/x
  3. Step 3: Cross multiply
    73,571.82x = 110,260.62 × 29,174.28
  4. Step 4: Simplify right side
    73,571.82x = 3,216,774,200.85
  5. Step 5: Solve for x
    x = 3,216,774,200.85/73,571.82
  6. Step 6: Final answer
    x = 43,722.91

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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.