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Finding the Fourth Proportional to 80,406.76, 110,954.06 and 44,596.66

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Solution

The fourth proportional to 80,406.76, 110,954.06 and 44,596.66 is: 61,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406.76 : 110,954.06 = 44,596.66 : x
  2. Step 2: Convert to fraction form
    80,406.76/110,954.06 = 44,596.66/x
  3. Step 3: Cross multiply
    80,406.76x = 110,954.06 × 44,596.66
  4. Step 4: Simplify right side
    80,406.76x = 4,948,180,489.44
  5. Step 5: Solve for x
    x = 4,948,180,489.44/80,406.76
  6. Step 6: Final answer
    x = 61,539.36

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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.