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Finding the Fourth Proportional to 109,556.44, 151,187.90 and 59,255.44

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Solution

The fourth proportional to 109,556.44, 151,187.90 and 59,255.44 is: 81,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,556.44 : 151,187.90 = 59,255.44 : x
  2. Step 2: Convert to fraction form
    109,556.44/151,187.90 = 59,255.44/x
  3. Step 3: Cross multiply
    109,556.44x = 151,187.90 × 59,255.44
  4. Step 4: Simplify right side
    109,556.44x = 8,958,704,862.93
  5. Step 5: Solve for x
    x = 8,958,704,862.93/109,556.44
  6. Step 6: Final answer
    x = 81,772.51

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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.