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Finding the Fourth Proportional to 80,203.98, 110,679.84 and 44,391.87

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Solution

The fourth proportional to 80,203.98, 110,679.84 and 44,391.87 is: 61,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,203.98 : 110,679.84 = 44,391.87 : x
  2. Step 2: Convert to fraction form
    80,203.98/110,679.84 = 44,391.87/x
  3. Step 3: Cross multiply
    80,203.98x = 110,679.84 × 44,391.87
  4. Step 4: Simplify right side
    80,203.98x = 4,913,285,068.90
  5. Step 5: Solve for x
    x = 4,913,285,068.90/80,203.98
  6. Step 6: Final answer
    x = 61,259.87

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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.