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Finding the Fourth Proportional to 80,394.50, 110,941.62 and 44,587.84

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Solution

The fourth proportional to 80,394.50, 110,941.62 and 44,587.84 is: 61,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,394.50 : 110,941.62 = 44,587.84 : x
  2. Step 2: Convert to fraction form
    80,394.50/110,941.62 = 44,587.84/x
  3. Step 3: Cross multiply
    80,394.50x = 110,941.62 × 44,587.84
  4. Step 4: Simplify right side
    80,394.50x = 4,946,647,371.43
  5. Step 5: Solve for x
    x = 4,946,647,371.43/80,394.50
  6. Step 6: Final answer
    x = 61,529.67

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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.