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Finding the Fourth Proportional to 181,993.94, 250,982.85 and 124,716.41

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Solution

The fourth proportional to 181,993.94, 250,982.85 and 124,716.41 is: 171,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,993.94 : 250,982.85 = 124,716.41 : x
  2. Step 2: Convert to fraction form
    181,993.94/250,982.85 = 124,716.41/x
  3. Step 3: Cross multiply
    181,993.94x = 250,982.85 × 124,716.41
  4. Step 4: Simplify right side
    181,993.94x = 31,301,680,177.53
  5. Step 5: Solve for x
    x = 31,301,680,177.53/181,993.94
  6. Step 6: Final answer
    x = 171,992.98

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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.