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Finding the Fourth Proportional to 295,687.56, 408,050.10 and 161,554.44

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Solution

The fourth proportional to 295,687.56, 408,050.10 and 161,554.44 is: 222,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,687.56 : 408,050.10 = 161,554.44 : x
  2. Step 2: Convert to fraction form
    295,687.56/408,050.10 = 161,554.44/x
  3. Step 3: Cross multiply
    295,687.56x = 408,050.10 × 161,554.44
  4. Step 4: Simplify right side
    295,687.56x = 65,922,305,397.44
  5. Step 5: Solve for x
    x = 65,922,305,397.44/295,687.56
  6. Step 6: Final answer
    x = 222,945.82

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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.