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Finding the Fourth Proportional to 188,340.44, 282,512.99 and 55,223.33

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Solution

The fourth proportional to 188,340.44, 282,512.99 and 55,223.33 is: 82,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,340.44 : 282,512.99 = 55,223.33 : x
  2. Step 2: Convert to fraction form
    188,340.44/282,512.99 = 55,223.33/x
  3. Step 3: Cross multiply
    188,340.44x = 282,512.99 × 55,223.33
  4. Step 4: Simplify right side
    188,340.44x = 15,601,308,506.22
  5. Step 5: Solve for x
    x = 15,601,308,506.22/188,340.44
  6. Step 6: Final answer
    x = 82,835.68

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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.