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Finding the Fourth Proportional to 188,942.94, 260,753.05 and 104,059.98

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Solution

The fourth proportional to 188,942.94, 260,753.05 and 104,059.98 is: 143,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,942.94 : 260,753.05 = 104,059.98 : x
  2. Step 2: Convert to fraction form
    188,942.94/260,753.05 = 104,059.98/x
  3. Step 3: Cross multiply
    188,942.94x = 260,753.05 × 104,059.98
  4. Step 4: Simplify right side
    188,942.94x = 27,133,957,167.94
  5. Step 5: Solve for x
    x = 27,133,957,167.94/188,942.94
  6. Step 6: Final answer
    x = 143,609.27

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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.