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Finding the Fourth Proportional to 181,636.89, 250,660.14 and 101,067.81

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Solution

The fourth proportional to 181,636.89, 250,660.14 and 101,067.81 is: 139,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,636.89 : 250,660.14 = 101,067.81 : x
  2. Step 2: Convert to fraction form
    181,636.89/250,660.14 = 101,067.81/x
  3. Step 3: Cross multiply
    181,636.89x = 250,660.14 × 101,067.81
  4. Step 4: Simplify right side
    181,636.89x = 25,333,671,404.09
  5. Step 5: Solve for x
    x = 25,333,671,404.09/181,636.89
  6. Step 6: Final answer
    x = 139,474.26

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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.