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Finding the Fourth Proportional to 95,255.88, 142,869.78 and 25,140.12

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Solution

The fourth proportional to 95,255.88, 142,869.78 and 25,140.12 is: 37,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,255.88 : 142,869.78 = 25,140.12 : x
  2. Step 2: Convert to fraction form
    95,255.88/142,869.78 = 25,140.12/x
  3. Step 3: Cross multiply
    95,255.88x = 142,869.78 × 25,140.12
  4. Step 4: Simplify right side
    95,255.88x = 3,591,763,413.57
  5. Step 5: Solve for x
    x = 3,591,763,413.57/95,255.88
  6. Step 6: Final answer
    x = 37,706.47

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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.