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Finding the Fourth Proportional to 220,191.59, 303,865.94 and 119,589.59

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Solution

The fourth proportional to 220,191.59, 303,865.94 and 119,589.59 is: 165,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,191.59 : 303,865.94 = 119,589.59 : x
  2. Step 2: Convert to fraction form
    220,191.59/303,865.94 = 119,589.59/x
  3. Step 3: Cross multiply
    220,191.59x = 303,865.94 × 119,589.59
  4. Step 4: Simplify right side
    220,191.59x = 36,339,201,959.21
  5. Step 5: Solve for x
    x = 36,339,201,959.21/220,191.59
  6. Step 6: Final answer
    x = 165,034.47

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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.