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Finding the Fourth Proportional to 80,406.42, 110,956.95 and 44,593.26

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Solution

The fourth proportional to 80,406.42, 110,956.95 and 44,593.26 is: 61,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406.42 : 110,956.95 = 44,593.26 : x
  2. Step 2: Convert to fraction form
    80,406.42/110,956.95 = 44,593.26/x
  3. Step 3: Cross multiply
    80,406.42x = 110,956.95 × 44,593.26
  4. Step 4: Simplify right side
    80,406.42x = 4,947,932,120.16
  5. Step 5: Solve for x
    x = 4,947,932,120.16/80,406.42
  6. Step 6: Final answer
    x = 61,536.53

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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.