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Finding the Fourth Proportional to 259,960.26, 389,940.38 and 93,748.26

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Solution

The fourth proportional to 259,960.26, 389,940.38 and 93,748.26 is: 140,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,960.26 : 389,940.38 = 93,748.26 : x
  2. Step 2: Convert to fraction form
    259,960.26/389,940.38 = 93,748.26/x
  3. Step 3: Cross multiply
    259,960.26x = 389,940.38 × 93,748.26
  4. Step 4: Simplify right side
    259,960.26x = 36,556,232,128.74
  5. Step 5: Solve for x
    x = 36,556,232,128.74/259,960.26
  6. Step 6: Final answer
    x = 140,622.39

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Similar ratio
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1.5x scale

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.