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Finding the Fourth Proportional to 181,241.49, 250,121.58 and 100,669.29

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Solution

The fourth proportional to 181,241.49, 250,121.58 and 100,669.29 is: 138,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,241.49 : 250,121.58 = 100,669.29 : x
  2. Step 2: Convert to fraction form
    181,241.49/250,121.58 = 100,669.29/x
  3. Step 3: Cross multiply
    181,241.49x = 250,121.58 × 100,669.29
  4. Step 4: Simplify right side
    181,241.49x = 25,179,561,872.28
  5. Step 5: Solve for x
    x = 25,179,561,872.28/181,241.49
  6. Step 6: Final answer
    x = 138,928.24

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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.