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Finding the Fourth Proportional to 193,651.08, 290,517.92 and 67,295.12

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Solution

The fourth proportional to 193,651.08, 290,517.92 and 67,295.12 is: 100,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,651.08 : 290,517.92 = 67,295.12 : x
  2. Step 2: Convert to fraction form
    193,651.08/290,517.92 = 67,295.12/x
  3. Step 3: Cross multiply
    193,651.08x = 290,517.92 × 67,295.12
  4. Step 4: Simplify right side
    193,651.08x = 19,550,438,288.55
  5. Step 5: Solve for x
    x = 19,550,438,288.55/193,651.08
  6. Step 6: Final answer
    x = 100,957.03

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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.