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Finding the Fourth Proportional to 80,369.51, 110,907.92 and 44,559.41

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Solution

The fourth proportional to 80,369.51, 110,907.92 and 44,559.41 is: 61,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369.51 : 110,907.92 = 44,559.41 : x
  2. Step 2: Convert to fraction form
    80,369.51/110,907.92 = 44,559.41/x
  3. Step 3: Cross multiply
    80,369.51x = 110,907.92 × 44,559.41
  4. Step 4: Simplify right side
    80,369.51x = 4,941,991,256.73
  5. Step 5: Solve for x
    x = 4,941,991,256.73/80,369.51
  6. Step 6: Final answer
    x = 61,490.87

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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.