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Finding the Fourth Proportional to 193,605.75, 267,060.11 and 121,861.22

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Solution

The fourth proportional to 193,605.75, 267,060.11 and 121,861.22 is: 168,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,605.75 : 267,060.11 = 121,861.22 : x
  2. Step 2: Convert to fraction form
    193,605.75/267,060.11 = 121,861.22/x
  3. Step 3: Cross multiply
    193,605.75x = 267,060.11 × 121,861.22
  4. Step 4: Simplify right side
    193,605.75x = 32,544,268,873.33
  5. Step 5: Solve for x
    x = 32,544,268,873.33/193,605.75
  6. Step 6: Final answer
    x = 168,095.57

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1.5x scale

Why These Related Problems?

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