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Finding the Fourth Proportional to 188,467.44, 260,079.84 and 103,584.48

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Solution

The fourth proportional to 188,467.44, 260,079.84 and 103,584.48 is: 142,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,467.44 : 260,079.84 = 103,584.48 : x
  2. Step 2: Convert to fraction form
    188,467.44/260,079.84 = 103,584.48/x
  3. Step 3: Cross multiply
    188,467.44x = 260,079.84 × 103,584.48
  4. Step 4: Simplify right side
    188,467.44x = 26,940,234,984.88
  5. Step 5: Solve for x
    x = 26,940,234,984.88/188,467.44
  6. Step 6: Final answer
    x = 142,943.71

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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.