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Finding the Fourth Proportional to 250,078.22, 345,107.96 and 136,900.97

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Solution

The fourth proportional to 250,078.22, 345,107.96 and 136,900.97 is: 188,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,078.22 : 345,107.96 = 136,900.97 : x
  2. Step 2: Convert to fraction form
    250,078.22/345,107.96 = 136,900.97/x
  3. Step 3: Cross multiply
    250,078.22x = 345,107.96 × 136,900.97
  4. Step 4: Simplify right side
    250,078.22x = 47,245,613,876.21
  5. Step 5: Solve for x
    x = 47,245,613,876.21/250,078.22
  6. Step 6: Final answer
    x = 188,923.35

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1.5x scale

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.