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Finding the Fourth Proportional to 192,163.86, 265,198.41 and 107,280.90

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Solution

The fourth proportional to 192,163.86, 265,198.41 and 107,280.90 is: 148,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,163.86 : 265,198.41 = 107,280.90 : x
  2. Step 2: Convert to fraction form
    192,163.86/265,198.41 = 107,280.90/x
  3. Step 3: Cross multiply
    192,163.86x = 265,198.41 × 107,280.90
  4. Step 4: Simplify right side
    192,163.86x = 28,450,724,103.37
  5. Step 5: Solve for x
    x = 28,450,724,103.37/192,163.86
  6. Step 6: Final answer
    x = 148,054.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.