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Finding the Fourth Proportional to 188,843.82, 260,594.31 and 108,267.42

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Solution

The fourth proportional to 188,843.82, 260,594.31 and 108,267.42 is: 149,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,843.82 : 260,594.31 = 108,267.42 : x
  2. Step 2: Convert to fraction form
    188,843.82/260,594.31 = 108,267.42/x
  3. Step 3: Cross multiply
    188,843.82x = 260,594.31 × 108,267.42
  4. Step 4: Simplify right side
    188,843.82x = 28,213,873,610.38
  5. Step 5: Solve for x
    x = 28,213,873,610.38/188,843.82
  6. Step 6: Final answer
    x = 149,403.21

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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.