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Finding the Fourth Proportional to 181,119.51, 271,670.50 and 68,790.96

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Solution

The fourth proportional to 181,119.51, 271,670.50 and 68,790.96 is: 103,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,119.51 : 271,670.50 = 68,790.96 : x
  2. Step 2: Convert to fraction form
    181,119.51/271,670.50 = 68,790.96/x
  3. Step 3: Cross multiply
    181,119.51x = 271,670.50 × 68,790.96
  4. Step 4: Simplify right side
    181,119.51x = 18,688,474,498.68
  5. Step 5: Solve for x
    x = 18,688,474,498.68/181,119.51
  6. Step 6: Final answer
    x = 103,183.11

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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.