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Finding the Fourth Proportional to 250,232.48, 345,321.01 and 135,512.02

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Solution

The fourth proportional to 250,232.48, 345,321.01 and 135,512.02 is: 187,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,232.48 : 345,321.01 = 135,512.02 : x
  2. Step 2: Convert to fraction form
    250,232.48/345,321.01 = 135,512.02/x
  3. Step 3: Cross multiply
    250,232.48x = 345,321.01 × 135,512.02
  4. Step 4: Simplify right side
    250,232.48x = 46,795,147,613.54
  5. Step 5: Solve for x
    x = 46,795,147,613.54/250,232.48
  6. Step 6: Final answer
    x = 187,006.69

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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.