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Finding the Fourth Proportional to 80,339.36, 110,868.04 and 44,528.96

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Solution

The fourth proportional to 80,339.36, 110,868.04 and 44,528.96 is: 61,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,339.36 : 110,868.04 = 44,528.96 : x
  2. Step 2: Convert to fraction form
    80,339.36/110,868.04 = 44,528.96/x
  3. Step 3: Cross multiply
    80,339.36x = 110,868.04 × 44,528.96
  4. Step 4: Simplify right side
    80,339.36x = 4,936,838,518.44
  5. Step 5: Solve for x
    x = 4,936,838,518.44/80,339.36
  6. Step 6: Final answer
    x = 61,449.81

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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.