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Finding the Fourth Proportional to 68,857.26, 103,290.59 and 22,107.30

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Solution

The fourth proportional to 68,857.26, 103,290.59 and 22,107.30 is: 33,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,857.26 : 103,290.59 = 22,107.30 : x
  2. Step 2: Convert to fraction form
    68,857.26/103,290.59 = 22,107.30/x
  3. Step 3: Cross multiply
    68,857.26x = 103,290.59 × 22,107.30
  4. Step 4: Simplify right side
    68,857.26x = 2,283,476,060.31
  5. Step 5: Solve for x
    x = 2,283,476,060.31/68,857.26
  6. Step 6: Final answer
    x = 33,162.46

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1.5x scale

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.