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Finding the Fourth Proportional to 259,960.75, 389,941.13 and 93,748.75

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Solution

The fourth proportional to 259,960.75, 389,941.13 and 93,748.75 is: 140,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,960.75 : 389,941.13 = 93,748.75 : x
  2. Step 2: Convert to fraction form
    259,960.75/389,941.13 = 93,748.75/x
  3. Step 3: Cross multiply
    259,960.75x = 389,941.13 × 93,748.75
  4. Step 4: Simplify right side
    259,960.75x = 36,556,493,511.09
  5. Step 5: Solve for x
    x = 36,556,493,511.09/259,960.75
  6. Step 6: Final answer
    x = 140,623.13

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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.