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Finding the Fourth Proportional to 135,883.88, 203,732.78 and 69,194.92

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Solution

The fourth proportional to 135,883.88, 203,732.78 and 69,194.92 is: 103,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,883.88 : 203,732.78 = 69,194.92 : x
  2. Step 2: Convert to fraction form
    135,883.88/203,732.78 = 69,194.92/x
  3. Step 3: Cross multiply
    135,883.88x = 203,732.78 × 69,194.92
  4. Step 4: Simplify right side
    135,883.88x = 14,097,273,413.48
  5. Step 5: Solve for x
    x = 14,097,273,413.48/135,883.88
  6. Step 6: Final answer
    x = 103,745.00

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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.