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Finding the Fourth Proportional to 205,608.44, 283,630.20 and 125,060.60

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Solution

The fourth proportional to 205,608.44, 283,630.20 and 125,060.60 is: 172,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,608.44 : 283,630.20 = 125,060.60 : x
  2. Step 2: Convert to fraction form
    205,608.44/283,630.20 = 125,060.60/x
  3. Step 3: Cross multiply
    205,608.44x = 283,630.20 × 125,060.60
  4. Step 4: Simplify right side
    205,608.44x = 35,470,962,990.12
  5. Step 5: Solve for x
    x = 35,470,962,990.12/205,608.44
  6. Step 6: Final answer
    x = 172,517.06

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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.