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Finding the Fourth Proportional to 80,388.50, 110,942.39 and 44,585.51

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Solution

The fourth proportional to 80,388.50, 110,942.39 and 44,585.51 is: 61,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,388.50 : 110,942.39 = 44,585.51 : x
  2. Step 2: Convert to fraction form
    80,388.50/110,942.39 = 44,585.51/x
  3. Step 3: Cross multiply
    80,388.50x = 110,942.39 × 44,585.51
  4. Step 4: Simplify right side
    80,388.50x = 4,946,422,595.52
  5. Step 5: Solve for x
    x = 4,946,422,595.52/80,388.50
  6. Step 6: Final answer
    x = 61,531.47

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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.