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Finding the Fourth Proportional to 181,651.98, 250,576.11 and 109,035.54

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Solution

The fourth proportional to 181,651.98, 250,576.11 and 109,035.54 is: 150,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,651.98 : 250,576.11 = 109,035.54 : x
  2. Step 2: Convert to fraction form
    181,651.98/250,576.11 = 109,035.54/x
  3. Step 3: Cross multiply
    181,651.98x = 250,576.11 × 109,035.54
  4. Step 4: Simplify right side
    181,651.98x = 27,321,701,464.95
  5. Step 5: Solve for x
    x = 27,321,701,464.95/181,651.98
  6. Step 6: Final answer
    x = 150,406.85

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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.