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Finding the Fourth Proportional to 80,401.77, 110,961.26 and 44,603.31

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Solution

The fourth proportional to 80,401.77, 110,961.26 and 44,603.31 is: 61,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,401.77 : 110,961.26 = 44,603.31 : x
  2. Step 2: Convert to fraction form
    80,401.77/110,961.26 = 44,603.31/x
  3. Step 3: Cross multiply
    80,401.77x = 110,961.26 × 44,603.31
  4. Step 4: Simplify right side
    80,401.77x = 4,949,239,477.77
  5. Step 5: Solve for x
    x = 4,949,239,477.77/80,401.77
  6. Step 6: Final answer
    x = 61,556.35

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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.