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Finding the Fourth Proportional to 80,244.31, 110,736.35 and 43,450.35

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Solution

The fourth proportional to 80,244.31, 110,736.35 and 43,450.35 is: 59,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.31 : 110,736.35 = 43,450.35 : x
  2. Step 2: Convert to fraction form
    80,244.31/110,736.35 = 43,450.35/x
  3. Step 3: Cross multiply
    80,244.31x = 110,736.35 × 43,450.35
  4. Step 4: Simplify right side
    80,244.31x = 4,811,533,165.22
  5. Step 5: Solve for x
    x = 4,811,533,165.22/80,244.31
  6. Step 6: Final answer
    x = 59,961.05

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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.