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Finding the Fourth Proportional to 178,696.27, 267,855.72 and 136,484.43

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Solution

The fourth proportional to 178,696.27, 267,855.72 and 136,484.43 is: 204,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,696.27 : 267,855.72 = 136,484.43 : x
  2. Step 2: Convert to fraction form
    178,696.27/267,855.72 = 136,484.43/x
  3. Step 3: Cross multiply
    178,696.27x = 267,855.72 × 136,484.43
  4. Step 4: Simplify right side
    178,696.27x = 36,558,135,266.44
  5. Step 5: Solve for x
    x = 36,558,135,266.44/178,696.27
  6. Step 6: Final answer
    x = 204,582.53

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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.