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Finding the Fourth Proportional to 80,091, 110,523.75 and 44,281.31

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Solution

The fourth proportional to 80,091, 110,523.75 and 44,281.31 is: 61,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,091 : 110,523.75 = 44,281.31 : x
  2. Step 2: Convert to fraction form
    80,091/110,523.75 = 44,281.31/x
  3. Step 3: Cross multiply
    80,091x = 110,523.75 × 44,281.31
  4. Step 4: Simplify right side
    80,091x = 4,894,135,883.49
  5. Step 5: Solve for x
    x = 4,894,135,883.49/80,091
  6. Step 6: Final answer
    x = 61,107.19

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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.