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Finding the Fourth Proportional to 250,023.25, 345,032.09 and 136,846

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Solution

The fourth proportional to 250,023.25, 345,032.09 and 136,846 is: 188,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,023.25 : 345,032.09 = 136,846 : x
  2. Step 2: Convert to fraction form
    250,023.25/345,032.09 = 136,846/x
  3. Step 3: Cross multiply
    250,023.25x = 345,032.09 × 136,846
  4. Step 4: Simplify right side
    250,023.25x = 47,216,261,388.14
  5. Step 5: Solve for x
    x = 47,216,261,388.14/250,023.25
  6. Step 6: Final answer
    x = 188,847.48

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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.