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Finding the Fourth Proportional to 269,450.78, 371,842.08 and 154,736.96

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Solution

The fourth proportional to 269,450.78, 371,842.08 and 154,736.96 is: 213,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,450.78 : 371,842.08 = 154,736.96 : x
  2. Step 2: Convert to fraction form
    269,450.78/371,842.08 = 154,736.96/x
  3. Step 3: Cross multiply
    269,450.78x = 371,842.08 × 154,736.96
  4. Step 4: Simplify right side
    269,450.78x = 57,537,713,059.28
  5. Step 5: Solve for x
    x = 57,537,713,059.28/269,450.78
  6. Step 6: Final answer
    x = 213,537.01

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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.