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Finding the Fourth Proportional to 181,292.98, 250,103.82 and 120,804.61

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Solution

The fourth proportional to 181,292.98, 250,103.82 and 120,804.61 is: 166,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,292.98 : 250,103.82 = 120,804.61 : x
  2. Step 2: Convert to fraction form
    181,292.98/250,103.82 = 120,804.61/x
  3. Step 3: Cross multiply
    181,292.98x = 250,103.82 × 120,804.61
  4. Step 4: Simplify right side
    181,292.98x = 30,213,694,434.61
  5. Step 5: Solve for x
    x = 30,213,694,434.61/181,292.98
  6. Step 6: Final answer
    x = 166,656.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.