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Finding the Fourth Proportional to 120,758.74, 181,167.27 and 41,871.22

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Solution

The fourth proportional to 120,758.74, 181,167.27 and 41,871.22 is: 62,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,758.74 : 181,167.27 = 41,871.22 : x
  2. Step 2: Convert to fraction form
    120,758.74/181,167.27 = 41,871.22/x
  3. Step 3: Cross multiply
    120,758.74x = 181,167.27 × 41,871.22
  4. Step 4: Simplify right side
    120,758.74x = 7,585,694,618.97
  5. Step 5: Solve for x
    x = 7,585,694,618.97/120,758.74
  6. Step 6: Final answer
    x = 62,816.94

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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.