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Finding the Fourth Proportional to 144,589.73, 199,534.39 and 80,927.44

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Solution

The fourth proportional to 144,589.73, 199,534.39 and 80,927.44 is: 111,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,589.73 : 199,534.39 = 80,927.44 : x
  2. Step 2: Convert to fraction form
    144,589.73/199,534.39 = 80,927.44/x
  3. Step 3: Cross multiply
    144,589.73x = 199,534.39 × 80,927.44
  4. Step 4: Simplify right side
    144,589.73x = 16,147,806,673.51
  5. Step 5: Solve for x
    x = 16,147,806,673.51/144,589.73
  6. Step 6: Final answer
    x = 111,680.18

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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.