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Finding the Fourth Proportional to 140,322.34, 193,623.46 and 79,895.52

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Solution

The fourth proportional to 140,322.34, 193,623.46 and 79,895.52 is: 110,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,322.34 : 193,623.46 = 79,895.52 : x
  2. Step 2: Convert to fraction form
    140,322.34/193,623.46 = 79,895.52/x
  3. Step 3: Cross multiply
    140,322.34x = 193,623.46 × 79,895.52
  4. Step 4: Simplify right side
    140,322.34x = 15,469,647,020.90
  5. Step 5: Solve for x
    x = 15,469,647,020.90/140,322.34
  6. Step 6: Final answer
    x = 110,243.65

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