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Finding the Fourth Proportional to 305,563.44, 421,682.04 and 169,606.14

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Solution

The fourth proportional to 305,563.44, 421,682.04 and 169,606.14 is: 234,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,563.44 : 421,682.04 = 169,606.14 : x
  2. Step 2: Convert to fraction form
    305,563.44/421,682.04 = 169,606.14/x
  3. Step 3: Cross multiply
    305,563.44x = 421,682.04 × 169,606.14
  4. Step 4: Simplify right side
    305,563.44x = 71,519,863,111.73
  5. Step 5: Solve for x
    x = 71,519,863,111.73/305,563.44
  6. Step 6: Final answer
    x = 234,058.97

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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.