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Finding the Fourth Proportional to 188,544.73, 260,202.24 and 103,679.41

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Solution

The fourth proportional to 188,544.73, 260,202.24 and 103,679.41 is: 143,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,544.73 : 260,202.24 = 103,679.41 : x
  2. Step 2: Convert to fraction form
    188,544.73/260,202.24 = 103,679.41/x
  3. Step 3: Cross multiply
    188,544.73x = 260,202.24 × 103,679.41
  4. Step 4: Simplify right side
    188,544.73x = 26,977,614,723.88
  5. Step 5: Solve for x
    x = 26,977,614,723.88/188,544.73
  6. Step 6: Final answer
    x = 143,083.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.