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Finding the Fourth Proportional to 193,873.96, 267,570.18 and 108,991.12

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Solution

The fourth proportional to 193,873.96, 267,570.18 and 108,991.12 is: 150,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,873.96 : 267,570.18 = 108,991.12 : x
  2. Step 2: Convert to fraction form
    193,873.96/267,570.18 = 108,991.12/x
  3. Step 3: Cross multiply
    193,873.96x = 267,570.18 × 108,991.12
  4. Step 4: Simplify right side
    193,873.96x = 29,162,773,596.80
  5. Step 5: Solve for x
    x = 29,162,773,596.80/193,873.96
  6. Step 6: Final answer
    x = 150,421.30

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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.