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Finding the Fourth Proportional to 192,152.08, 288,238.60 and 79,843.64

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Solution

The fourth proportional to 192,152.08, 288,238.60 and 79,843.64 is: 119,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,152.08 : 288,238.60 = 79,843.64 : x
  2. Step 2: Convert to fraction form
    192,152.08/288,238.60 = 79,843.64/x
  3. Step 3: Cross multiply
    192,152.08x = 288,238.60 × 79,843.64
  4. Step 4: Simplify right side
    192,152.08x = 23,014,019,012.50
  5. Step 5: Solve for x
    x = 23,014,019,012.50/192,152.08
  6. Step 6: Final answer
    x = 119,769.81

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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.