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Finding the Fourth Proportional to 230,162.52, 317,611.91 and 126,793.32

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Solution

The fourth proportional to 230,162.52, 317,611.91 and 126,793.32 is: 174,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,162.52 : 317,611.91 = 126,793.32 : x
  2. Step 2: Convert to fraction form
    230,162.52/317,611.91 = 126,793.32/x
  3. Step 3: Cross multiply
    230,162.52x = 317,611.91 × 126,793.32
  4. Step 4: Simplify right side
    230,162.52x = 40,271,067,906.47
  5. Step 5: Solve for x
    x = 40,271,067,906.47/230,162.52
  6. Step 6: Final answer
    x = 174,967.97

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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.