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Finding the Fourth Proportional to 181,080.93, 271,668.47 and 68,761.77

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Solution

The fourth proportional to 181,080.93, 271,668.47 and 68,761.77 is: 103,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,080.93 : 271,668.47 = 68,761.77 : x
  2. Step 2: Convert to fraction form
    181,080.93/271,668.47 = 68,761.77/x
  3. Step 3: Cross multiply
    181,080.93x = 271,668.47 × 68,761.77
  4. Step 4: Simplify right side
    181,080.93x = 18,680,404,850.39
  5. Step 5: Solve for x
    x = 18,680,404,850.39/181,080.93
  6. Step 6: Final answer
    x = 103,160.53

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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.