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Finding the Fourth Proportional to 80,090.54, 110,528.80 and 44,279.90

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Solution

The fourth proportional to 80,090.54, 110,528.80 and 44,279.90 is: 61,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,090.54 : 110,528.80 = 44,279.90 : x
  2. Step 2: Convert to fraction form
    80,090.54/110,528.80 = 44,279.90/x
  3. Step 3: Cross multiply
    80,090.54x = 110,528.80 × 44,279.90
  4. Step 4: Simplify right side
    80,090.54x = 4,894,204,211.12
  5. Step 5: Solve for x
    x = 4,894,204,211.12/80,090.54
  6. Step 6: Final answer
    x = 61,108.39

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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.