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Finding the Fourth Proportional to 80,394.39, 110,943.81 and 44,589.69

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Solution

The fourth proportional to 80,394.39, 110,943.81 and 44,589.69 is: 61,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,394.39 : 110,943.81 = 44,589.69 : x
  2. Step 2: Convert to fraction form
    80,394.39/110,943.81 = 44,589.69/x
  3. Step 3: Cross multiply
    80,394.39x = 110,943.81 × 44,589.69
  4. Step 4: Simplify right side
    80,394.39x = 4,946,950,095.32
  5. Step 5: Solve for x
    x = 4,946,950,095.32/80,394.39
  6. Step 6: Final answer
    x = 61,533.52

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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.