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Finding the Fourth Proportional to 68,941.26, 103,211.01 and 51,250.32

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Solution

The fourth proportional to 68,941.26, 103,211.01 and 51,250.32 is: 76,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.26 : 103,211.01 = 51,250.32 : x
  2. Step 2: Convert to fraction form
    68,941.26/103,211.01 = 51,250.32/x
  3. Step 3: Cross multiply
    68,941.26x = 103,211.01 × 51,250.32
  4. Step 4: Simplify right side
    68,941.26x = 5,289,597,290.02
  5. Step 5: Solve for x
    x = 5,289,597,290.02/68,941.26
  6. Step 6: Final answer
    x = 76,726.15

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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.