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Finding the Fourth Proportional to 181,299.44, 250,186.10 and 100,731.98

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Solution

The fourth proportional to 181,299.44, 250,186.10 and 100,731.98 is: 139,006.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,299.44 : 250,186.10 = 100,731.98 : x
  2. Step 2: Convert to fraction form
    181,299.44/250,186.10 = 100,731.98/x
  3. Step 3: Cross multiply
    181,299.44x = 250,186.10 × 100,731.98
  4. Step 4: Simplify right side
    181,299.44x = 25,201,741,221.48
  5. Step 5: Solve for x
    x = 25,201,741,221.48/181,299.44
  6. Step 6: Final answer
    x = 139,006.17

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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.