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Finding the Fourth Proportional to 80,350.51, 110,872.05 and 44,540.50

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Solution

The fourth proportional to 80,350.51, 110,872.05 and 44,540.50 is: 61,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,350.51 : 110,872.05 = 44,540.50 : x
  2. Step 2: Convert to fraction form
    80,350.51/110,872.05 = 44,540.50/x
  3. Step 3: Cross multiply
    80,350.51x = 110,872.05 × 44,540.50
  4. Step 4: Simplify right side
    80,350.51x = 4,938,296,543.03
  5. Step 5: Solve for x
    x = 4,938,296,543.03/80,350.51
  6. Step 6: Final answer
    x = 61,459.43

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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.