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Finding the Fourth Proportional to 80,043.29, 110,451.09 and 44,228.43

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Solution

The fourth proportional to 80,043.29, 110,451.09 and 44,228.43 is: 61,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043.29 : 110,451.09 = 44,228.43 : x
  2. Step 2: Convert to fraction form
    80,043.29/110,451.09 = 44,228.43/x
  3. Step 3: Cross multiply
    80,043.29x = 110,451.09 × 44,228.43
  4. Step 4: Simplify right side
    80,043.29x = 4,885,078,468.35
  5. Step 5: Solve for x
    x = 4,885,078,468.35/80,043.29
  6. Step 6: Final answer
    x = 61,030.46

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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.