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Finding the Fourth Proportional to 101,056.26, 139,375.44 and 88,930.56

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Solution

The fourth proportional to 101,056.26, 139,375.44 and 88,930.56 is: 122,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,056.26 : 139,375.44 = 88,930.56 : x
  2. Step 2: Convert to fraction form
    101,056.26/139,375.44 = 88,930.56/x
  3. Step 3: Cross multiply
    101,056.26x = 139,375.44 × 88,930.56
  4. Step 4: Simplify right side
    101,056.26x = 12,394,735,929.45
  5. Step 5: Solve for x
    x = 12,394,735,929.45/101,056.26
  6. Step 6: Final answer
    x = 122,651.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.