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Finding the Fourth Proportional to 80,393.44, 110,946.24 and 48,556.12

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Solution

The fourth proportional to 80,393.44, 110,946.24 and 48,556.12 is: 67,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393.44 : 110,946.24 = 48,556.12 : x
  2. Step 2: Convert to fraction form
    80,393.44/110,946.24 = 48,556.12/x
  3. Step 3: Cross multiply
    80,393.44x = 110,946.24 × 48,556.12
  4. Step 4: Simplify right side
    80,393.44x = 5,387,118,942.99
  5. Step 5: Solve for x
    x = 5,387,118,942.99/80,393.44
  6. Step 6: Final answer
    x = 67,009.43

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1.5x scale

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.