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Finding the Fourth Proportional to 144,591.44, 199,540.41 and 80,927.60

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Solution

The fourth proportional to 144,591.44, 199,540.41 and 80,927.60 is: 111,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591.44 : 199,540.41 = 80,927.60 : x
  2. Step 2: Convert to fraction form
    144,591.44/199,540.41 = 80,927.60/x
  3. Step 3: Cross multiply
    144,591.44x = 199,540.41 × 80,927.60
  4. Step 4: Simplify right side
    144,591.44x = 16,148,326,484.32
  5. Step 5: Solve for x
    x = 16,148,326,484.32/144,591.44
  6. Step 6: Final answer
    x = 111,682.45

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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.