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Finding the Fourth Proportional to 181,079.93, 271,666.97 and 68,760.77

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Solution

The fourth proportional to 181,079.93, 271,666.97 and 68,760.77 is: 103,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,079.93 : 271,666.97 = 68,760.77 : x
  2. Step 2: Convert to fraction form
    181,079.93/271,666.97 = 68,760.77/x
  3. Step 3: Cross multiply
    181,079.93x = 271,666.97 × 68,760.77
  4. Step 4: Simplify right side
    181,079.93x = 18,680,028,338.63
  5. Step 5: Solve for x
    x = 18,680,028,338.63/181,079.93
  6. Step 6: Final answer
    x = 103,159.02

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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.