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Finding the Fourth Proportional to 80,297.55, 110,809.16 and 44,487.45

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Solution

The fourth proportional to 80,297.55, 110,809.16 and 44,487.45 is: 61,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,297.55 : 110,809.16 = 44,487.45 : x
  2. Step 2: Convert to fraction form
    80,297.55/110,809.16 = 44,487.45/x
  3. Step 3: Cross multiply
    80,297.55x = 110,809.16 × 44,487.45
  4. Step 4: Simplify right side
    80,297.55x = 4,929,616,742.60
  5. Step 5: Solve for x
    x = 4,929,616,742.60/80,297.55
  6. Step 6: Final answer
    x = 61,391.87

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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.