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Finding the Fourth Proportional to 80,216, 110,698.28 and 44,408.44

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Solution

The fourth proportional to 80,216, 110,698.28 and 44,408.44 is: 61,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,216 : 110,698.28 = 44,408.44 : x
  2. Step 2: Convert to fraction form
    80,216/110,698.28 = 44,408.44/x
  3. Step 3: Cross multiply
    80,216x = 110,698.28 × 44,408.44
  4. Step 4: Simplify right side
    80,216x = 4,915,937,925.48
  5. Step 5: Solve for x
    x = 4,915,937,925.48/80,216
  6. Step 6: Final answer
    x = 61,283.76

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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.