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Finding the Fourth Proportional to 192,520.42, 265,571.52 and 111,939.03

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Solution

The fourth proportional to 192,520.42, 265,571.52 and 111,939.03 is: 154,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,520.42 : 265,571.52 = 111,939.03 : x
  2. Step 2: Convert to fraction form
    192,520.42/265,571.52 = 111,939.03/x
  3. Step 3: Cross multiply
    192,520.42x = 265,571.52 × 111,939.03
  4. Step 4: Simplify right side
    192,520.42x = 29,727,818,344.43
  5. Step 5: Solve for x
    x = 29,727,818,344.43/192,520.42
  6. Step 6: Final answer
    x = 154,413.85

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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.