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Finding the Fourth Proportional to 80,399.86, 110,946.26 and 44,586.52

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Solution

The fourth proportional to 80,399.86, 110,946.26 and 44,586.52 is: 61,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,399.86 : 110,946.26 = 44,586.52 : x
  2. Step 2: Convert to fraction form
    80,399.86/110,946.26 = 44,586.52/x
  3. Step 3: Cross multiply
    80,399.86x = 110,946.26 × 44,586.52
  4. Step 4: Simplify right side
    80,399.86x = 4,946,707,640.42
  5. Step 5: Solve for x
    x = 4,946,707,640.42/80,399.86
  6. Step 6: Final answer
    x = 61,526.32

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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.