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Finding the Fourth Proportional to 181,718.73, 250,771.82 and 101,144.51

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Solution

The fourth proportional to 181,718.73, 250,771.82 and 101,144.51 is: 139,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,718.73 : 250,771.82 = 101,144.51 : x
  2. Step 2: Convert to fraction form
    181,718.73/250,771.82 = 101,144.51/x
  3. Step 3: Cross multiply
    181,718.73x = 250,771.82 × 101,144.51
  4. Step 4: Simplify right side
    181,718.73x = 25,364,193,735.50
  5. Step 5: Solve for x
    x = 25,364,193,735.50/181,718.73
  6. Step 6: Final answer
    x = 139,579.41

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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.