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Finding the Fourth Proportional to 188,942.44, 260,752.36 and 104,059.48

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Solution

The fourth proportional to 188,942.44, 260,752.36 and 104,059.48 is: 143,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,942.44 : 260,752.36 = 104,059.48 : x
  2. Step 2: Convert to fraction form
    188,942.44/260,752.36 = 104,059.48/x
  3. Step 3: Cross multiply
    188,942.44x = 260,752.36 × 104,059.48
  4. Step 4: Simplify right side
    188,942.44x = 27,133,754,990.37
  5. Step 5: Solve for x
    x = 27,133,754,990.37/188,942.44
  6. Step 6: Final answer
    x = 143,608.58

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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.