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Finding the Fourth Proportional to 80,289.38, 110,790.39 and 44,470.43

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Solution

The fourth proportional to 80,289.38, 110,790.39 and 44,470.43 is: 61,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,289.38 : 110,790.39 = 44,470.43 : x
  2. Step 2: Convert to fraction form
    80,289.38/110,790.39 = 44,470.43/x
  3. Step 3: Cross multiply
    80,289.38x = 110,790.39 × 44,470.43
  4. Step 4: Simplify right side
    80,289.38x = 4,926,895,729.22
  5. Step 5: Solve for x
    x = 4,926,895,729.22/80,289.38
  6. Step 6: Final answer
    x = 61,364.23

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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.