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Finding the Fourth Proportional to 271,940.78, 375,157.54 and 181,208.23

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Solution

The fourth proportional to 271,940.78, 375,157.54 and 181,208.23 is: 249,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,940.78 : 375,157.54 = 181,208.23 : x
  2. Step 2: Convert to fraction form
    271,940.78/375,157.54 = 181,208.23/x
  3. Step 3: Cross multiply
    271,940.78x = 375,157.54 × 181,208.23
  4. Step 4: Simplify right side
    271,940.78x = 67,981,633,083.17
  5. Step 5: Solve for x
    x = 67,981,633,083.17/271,940.78
  6. Step 6: Final answer
    x = 249,986.90

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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.