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Finding the Fourth Proportional to 80,668.97, 111,321.72 and 44,858.19

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Solution

The fourth proportional to 80,668.97, 111,321.72 and 44,858.19 is: 61,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,668.97 : 111,321.72 = 44,858.19 : x
  2. Step 2: Convert to fraction form
    80,668.97/111,321.72 = 44,858.19/x
  3. Step 3: Cross multiply
    80,668.97x = 111,321.72 × 44,858.19
  4. Step 4: Simplify right side
    80,668.97x = 4,993,690,866.89
  5. Step 5: Solve for x
    x = 4,993,690,866.89/80,668.97
  6. Step 6: Final answer
    x = 61,903.49

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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.