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Finding the Fourth Proportional to 222,107.04, 333,290.88 and 81,963.36

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Solution

The fourth proportional to 222,107.04, 333,290.88 and 81,963.36 is: 122,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,107.04 : 333,290.88 = 81,963.36 : x
  2. Step 2: Convert to fraction form
    222,107.04/333,290.88 = 81,963.36/x
  3. Step 3: Cross multiply
    222,107.04x = 333,290.88 × 81,963.36
  4. Step 4: Simplify right side
    222,107.04x = 27,317,640,382.16
  5. Step 5: Solve for x
    x = 27,317,640,382.16/222,107.04
  6. Step 6: Final answer
    x = 122,993.13

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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.