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Finding the Fourth Proportional to 178,601.30, 267,901.93 and 53,942.30

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Solution

The fourth proportional to 178,601.30, 267,901.93 and 53,942.30 is: 80,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,601.30 : 267,901.93 = 53,942.30 : x
  2. Step 2: Convert to fraction form
    178,601.30/267,901.93 = 53,942.30/x
  3. Step 3: Cross multiply
    178,601.30x = 267,901.93 × 53,942.30
  4. Step 4: Simplify right side
    178,601.30x = 14,451,244,669.42
  5. Step 5: Solve for x
    x = 14,451,244,669.42/178,601.30
  6. Step 6: Final answer
    x = 80,913.44

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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.