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Finding the Fourth Proportional to 80,353.48, 110,880.36 and 44,540.45

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Solution

The fourth proportional to 80,353.48, 110,880.36 and 44,540.45 is: 61,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,353.48 : 110,880.36 = 44,540.45 : x
  2. Step 2: Convert to fraction form
    80,353.48/110,880.36 = 44,540.45/x
  3. Step 3: Cross multiply
    80,353.48x = 110,880.36 × 44,540.45
  4. Step 4: Simplify right side
    80,353.48x = 4,938,661,130.56
  5. Step 5: Solve for x
    x = 4,938,661,130.56/80,353.48
  6. Step 6: Final answer
    x = 61,461.70

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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.