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Finding the Fourth Proportional to 80,483.48, 110,994.48 and 50,271.56

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Solution

The fourth proportional to 80,483.48, 110,994.48 and 50,271.56 is: 69,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,483.48 : 110,994.48 = 50,271.56 : x
  2. Step 2: Convert to fraction form
    80,483.48/110,994.48 = 50,271.56/x
  3. Step 3: Cross multiply
    80,483.48x = 110,994.48 × 50,271.56
  4. Step 4: Simplify right side
    80,483.48x = 5,579,865,660.99
  5. Step 5: Solve for x
    x = 5,579,865,660.99/80,483.48
  6. Step 6: Final answer
    x = 69,329.33

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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.