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Finding the Fourth Proportional to 181,260.39, 271,476.43 and 86,556.92

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Solution

The fourth proportional to 181,260.39, 271,476.43 and 86,556.92 is: 129,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,260.39 : 271,476.43 = 86,556.92 : x
  2. Step 2: Convert to fraction form
    181,260.39/271,476.43 = 86,556.92/x
  3. Step 3: Cross multiply
    181,260.39x = 271,476.43 × 86,556.92
  4. Step 4: Simplify right side
    181,260.39x = 23,498,162,059.62
  5. Step 5: Solve for x
    x = 23,498,162,059.62/181,260.39
  6. Step 6: Final answer
    x = 129,637.60

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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.