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Finding the Fourth Proportional to 188,010.52, 259,467.72 and 107,449.96

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Solution

The fourth proportional to 188,010.52, 259,467.72 and 107,449.96 is: 148,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,010.52 : 259,467.72 = 107,449.96 : x
  2. Step 2: Convert to fraction form
    188,010.52/259,467.72 = 107,449.96/x
  3. Step 3: Cross multiply
    188,010.52x = 259,467.72 × 107,449.96
  4. Step 4: Simplify right side
    188,010.52x = 27,879,796,135.29
  5. Step 5: Solve for x
    x = 27,879,796,135.29/188,010.52
  6. Step 6: Final answer
    x = 148,288.49

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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.