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Finding the Fourth Proportional to 195,313.56, 292,993.80 and 68,927.73

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Solution

The fourth proportional to 195,313.56, 292,993.80 and 68,927.73 is: 103,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,313.56 : 292,993.80 = 68,927.73 : x
  2. Step 2: Convert to fraction form
    195,313.56/292,993.80 = 68,927.73/x
  3. Step 3: Cross multiply
    195,313.56x = 292,993.80 × 68,927.73
  4. Step 4: Simplify right side
    195,313.56x = 20,195,397,538.07
  5. Step 5: Solve for x
    x = 20,195,397,538.07/195,313.56
  6. Step 6: Final answer
    x = 103,399.87

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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.