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Finding the Fourth Proportional to 267,450.54, 401,195.61 and 89,956.86

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Solution

The fourth proportional to 267,450.54, 401,195.61 and 89,956.86 is: 134,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,450.54 : 401,195.61 = 89,956.86 : x
  2. Step 2: Convert to fraction form
    267,450.54/401,195.61 = 89,956.86/x
  3. Step 3: Cross multiply
    267,450.54x = 401,195.61 × 89,956.86
  4. Step 4: Simplify right side
    267,450.54x = 36,090,297,321.38
  5. Step 5: Solve for x
    x = 36,090,297,321.38/267,450.54
  6. Step 6: Final answer
    x = 134,941.95

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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.