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Finding the Fourth Proportional to 80,194, 110,663.40 and 44,382.28

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Solution

The fourth proportional to 80,194, 110,663.40 and 44,382.28 is: 61,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,194 : 110,663.40 = 44,382.28 : x
  2. Step 2: Convert to fraction form
    80,194/110,663.40 = 44,382.28/x
  3. Step 3: Cross multiply
    80,194x = 110,663.40 × 44,382.28
  4. Step 4: Simplify right side
    80,194x = 4,911,494,004.55
  5. Step 5: Solve for x
    x = 4,911,494,004.55/80,194
  6. Step 6: Final answer
    x = 61,245.16

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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.