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Finding the Fourth Proportional to 120,958, 181,439.49 and 44,018.36

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Solution

The fourth proportional to 120,958, 181,439.49 and 44,018.36 is: 66,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,958 : 181,439.49 = 44,018.36 : x
  2. Step 2: Convert to fraction form
    120,958/181,439.49 = 44,018.36/x
  3. Step 3: Cross multiply
    120,958x = 181,439.49 × 44,018.36
  4. Step 4: Simplify right side
    120,958x = 7,986,668,789.04
  5. Step 5: Solve for x
    x = 7,986,668,789.04/120,958
  6. Step 6: Final answer
    x = 66,028.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.