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Finding the Fourth Proportional to 80,467.58, 111,040.08 and 50,251.08

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Solution

The fourth proportional to 80,467.58, 111,040.08 and 50,251.08 is: 69,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,467.58 : 111,040.08 = 50,251.08 : x
  2. Step 2: Convert to fraction form
    80,467.58/111,040.08 = 50,251.08/x
  3. Step 3: Cross multiply
    80,467.58x = 111,040.08 × 50,251.08
  4. Step 4: Simplify right side
    80,467.58x = 5,579,884,453.91
  5. Step 5: Solve for x
    x = 5,579,884,453.91/80,467.58
  6. Step 6: Final answer
    x = 69,343.26

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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.