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Finding the Fourth Proportional to 247,759.86, 371,640.03 and 60,771.36

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Solution

The fourth proportional to 247,759.86, 371,640.03 and 60,771.36 is: 91,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,759.86 : 371,640.03 = 60,771.36 : x
  2. Step 2: Convert to fraction form
    247,759.86/371,640.03 = 60,771.36/x
  3. Step 3: Cross multiply
    247,759.86x = 371,640.03 × 60,771.36
  4. Step 4: Simplify right side
    247,759.86x = 22,585,070,053.54
  5. Step 5: Solve for x
    x = 22,585,070,053.54/247,759.86
  6. Step 6: Final answer
    x = 91,157.10

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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.