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Finding the Fourth Proportional to 188,046.33, 281,804.26 and 103,844.40

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Solution

The fourth proportional to 188,046.33, 281,804.26 and 103,844.40 is: 155,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,046.33 : 281,804.26 = 103,844.40 : x
  2. Step 2: Convert to fraction form
    188,046.33/281,804.26 = 103,844.40/x
  3. Step 3: Cross multiply
    188,046.33x = 281,804.26 × 103,844.40
  4. Step 4: Simplify right side
    188,046.33x = 29,263,794,297.14
  5. Step 5: Solve for x
    x = 29,263,794,297.14/188,046.33
  6. Step 6: Final answer
    x = 155,620.13

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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.