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Finding the Fourth Proportional to 188,091.88, 259,525.62 and 119,201.32

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Solution

The fourth proportional to 188,091.88, 259,525.62 and 119,201.32 is: 164,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,091.88 : 259,525.62 = 119,201.32 : x
  2. Step 2: Convert to fraction form
    188,091.88/259,525.62 = 119,201.32/x
  3. Step 3: Cross multiply
    188,091.88x = 259,525.62 × 119,201.32
  4. Step 4: Simplify right side
    188,091.88x = 30,935,796,477.82
  5. Step 5: Solve for x
    x = 30,935,796,477.82/188,091.88
  6. Step 6: Final answer
    x = 164,471.73

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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.