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Finding the Fourth Proportional to 188,464.94, 282,653.60 and 55,309.44

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Solution

The fourth proportional to 188,464.94, 282,653.60 and 55,309.44 is: 82,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,464.94 : 282,653.60 = 55,309.44 : x
  2. Step 2: Convert to fraction form
    188,464.94/282,653.60 = 55,309.44/x
  3. Step 3: Cross multiply
    188,464.94x = 282,653.60 × 55,309.44
  4. Step 4: Simplify right side
    188,464.94x = 15,633,412,053.44
  5. Step 5: Solve for x
    x = 15,633,412,053.44/188,464.94
  6. Step 6: Final answer
    x = 82,951.30

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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.