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Finding the Fourth Proportional to 170,846.44, 235,705.62 and 107,161

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Solution

The fourth proportional to 170,846.44, 235,705.62 and 107,161 is: 147,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,846.44 : 235,705.62 = 107,161 : x
  2. Step 2: Convert to fraction form
    170,846.44/235,705.62 = 107,161/x
  3. Step 3: Cross multiply
    170,846.44x = 235,705.62 × 107,161
  4. Step 4: Simplify right side
    170,846.44x = 25,258,449,944.82
  5. Step 5: Solve for x
    x = 25,258,449,944.82/170,846.44
  6. Step 6: Final answer
    x = 147,843.00

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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.