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Finding the Fourth Proportional to 80,288.21, 110,796.25 and 44,477.44

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Solution

The fourth proportional to 80,288.21, 110,796.25 and 44,477.44 is: 61,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,288.21 : 110,796.25 = 44,477.44 : x
  2. Step 2: Convert to fraction form
    80,288.21/110,796.25 = 44,477.44/x
  3. Step 3: Cross multiply
    80,288.21x = 110,796.25 × 44,477.44
  4. Step 4: Simplify right side
    80,288.21x = 4,927,933,561.60
  5. Step 5: Solve for x
    x = 4,927,933,561.60/80,288.21
  6. Step 6: Final answer
    x = 61,378.05

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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.