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Finding the Fourth Proportional to 80,401.74, 110,941.11 and 44,586.06

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Solution

The fourth proportional to 80,401.74, 110,941.11 and 44,586.06 is: 61,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,401.74 : 110,941.11 = 44,586.06 : x
  2. Step 2: Convert to fraction form
    80,401.74/110,941.11 = 44,586.06/x
  3. Step 3: Cross multiply
    80,401.74x = 110,941.11 × 44,586.06
  4. Step 4: Simplify right side
    80,401.74x = 4,946,426,986.93
  5. Step 5: Solve for x
    x = 4,946,426,986.93/80,401.74
  6. Step 6: Final answer
    x = 61,521.39

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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.