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Finding the Fourth Proportional to 147,859.63, 204,046.28 and 80,791.63

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Solution

The fourth proportional to 147,859.63, 204,046.28 and 80,791.63 is: 111,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,859.63 : 204,046.28 = 80,791.63 : x
  2. Step 2: Convert to fraction form
    147,859.63/204,046.28 = 80,791.63/x
  3. Step 3: Cross multiply
    147,859.63x = 204,046.28 × 80,791.63
  4. Step 4: Simplify right side
    147,859.63x = 16,485,231,556.64
  5. Step 5: Solve for x
    x = 16,485,231,556.64/147,859.63
  6. Step 6: Final answer
    x = 111,492.44

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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.