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Finding the Fourth Proportional to 181,194.48, 271,730.21 and 68,847.71

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Solution

The fourth proportional to 181,194.48, 271,730.21 and 68,847.71 is: 103,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,194.48 : 271,730.21 = 68,847.71 : x
  2. Step 2: Convert to fraction form
    181,194.48/271,730.21 = 68,847.71/x
  3. Step 3: Cross multiply
    181,194.48x = 271,730.21 × 68,847.71
  4. Step 4: Simplify right side
    181,194.48x = 18,708,000,993.43
  5. Step 5: Solve for x
    x = 18,708,000,993.43/181,194.48
  6. Step 6: Final answer
    x = 103,248.18

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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.