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Finding the Fourth Proportional to 188,843.64, 283,331.04 and 83,736.36

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Solution

The fourth proportional to 188,843.64, 283,331.04 and 83,736.36 is: 125,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,843.64 : 283,331.04 = 83,736.36 : x
  2. Step 2: Convert to fraction form
    188,843.64/283,331.04 = 83,736.36/x
  3. Step 3: Cross multiply
    188,843.64x = 283,331.04 × 83,736.36
  4. Step 4: Simplify right side
    188,843.64x = 23,725,109,964.61
  5. Step 5: Solve for x
    x = 23,725,109,964.61/188,843.64
  6. Step 6: Final answer
    x = 125,633.62

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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.