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Finding the Fourth Proportional to 230,405.37, 345,556.19 and 82,661.37

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Solution

The fourth proportional to 230,405.37, 345,556.19 and 82,661.37 is: 123,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,405.37 : 345,556.19 = 82,661.37 : x
  2. Step 2: Convert to fraction form
    230,405.37/345,556.19 = 82,661.37/x
  3. Step 3: Cross multiply
    230,405.37x = 345,556.19 × 82,661.37
  4. Step 4: Simplify right side
    230,405.37x = 28,564,145,936.29
  5. Step 5: Solve for x
    x = 28,564,145,936.29/230,405.37
  6. Step 6: Final answer
    x = 123,973.44

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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.