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Finding the Fourth Proportional to 250,469.08, 345,651.51 and 135,751.39

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Solution

The fourth proportional to 250,469.08, 345,651.51 and 135,751.39 is: 187,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,469.08 : 345,651.51 = 135,751.39 : x
  2. Step 2: Convert to fraction form
    250,469.08/345,651.51 = 135,751.39/x
  3. Step 3: Cross multiply
    250,469.08x = 345,651.51 × 135,751.39
  4. Step 4: Simplify right side
    250,469.08x = 46,922,672,938.10
  5. Step 5: Solve for x
    x = 46,922,672,938.10/250,469.08
  6. Step 6: Final answer
    x = 187,339.18

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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.