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Finding the Fourth Proportional to 259,958.25, 389,937.42 and 93,746.25

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Solution

The fourth proportional to 259,958.25, 389,937.42 and 93,746.25 is: 140,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,958.25 : 389,937.42 = 93,746.25 : x
  2. Step 2: Convert to fraction form
    259,958.25/389,937.42 = 93,746.25/x
  3. Step 3: Cross multiply
    259,958.25x = 389,937.42 × 93,746.25
  4. Step 4: Simplify right side
    259,958.25x = 36,555,170,859.68
  5. Step 5: Solve for x
    x = 36,555,170,859.68/259,958.25
  6. Step 6: Final answer
    x = 140,619.39

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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.