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Finding the Fourth Proportional to 131,995.86, 197,993.69 and 47,736.29

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Solution

The fourth proportional to 131,995.86, 197,993.69 and 47,736.29 is: 71,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,995.86 : 197,993.69 = 47,736.29 : x
  2. Step 2: Convert to fraction form
    131,995.86/197,993.69 = 47,736.29/x
  3. Step 3: Cross multiply
    131,995.86x = 197,993.69 × 47,736.29
  4. Step 4: Simplify right side
    131,995.86x = 9,451,482,975.36
  5. Step 5: Solve for x
    x = 9,451,482,975.36/131,995.86
  6. Step 6: Final answer
    x = 71,604.39

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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.