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Finding the Fourth Proportional to 181,222.80, 271,797 and 68,863.68

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Solution

The fourth proportional to 181,222.80, 271,797 and 68,863.68 is: 103,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,222.80 : 271,797 = 68,863.68 : x
  2. Step 2: Convert to fraction form
    181,222.80/271,797 = 68,863.68/x
  3. Step 3: Cross multiply
    181,222.80x = 271,797 × 68,863.68
  4. Step 4: Simplify right side
    181,222.80x = 18,716,941,632.96
  5. Step 5: Solve for x
    x = 18,716,941,632.96/181,222.80
  6. Step 6: Final answer
    x = 103,281.38

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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.