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Finding the Fourth Proportional to 68,367.26, 102,537.90 and 28,952.04

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Solution

The fourth proportional to 68,367.26, 102,537.90 and 28,952.04 is: 43,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,367.26 : 102,537.90 = 28,952.04 : x
  2. Step 2: Convert to fraction form
    68,367.26/102,537.90 = 28,952.04/x
  3. Step 3: Cross multiply
    68,367.26x = 102,537.90 × 28,952.04
  4. Step 4: Simplify right side
    68,367.26x = 2,968,681,382.32
  5. Step 5: Solve for x
    x = 2,968,681,382.32/68,367.26
  6. Step 6: Final answer
    x = 43,422.56

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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.