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Finding the Fourth Proportional to 161,062.15, 241,410.94 and 82,009.39

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Solution

The fourth proportional to 161,062.15, 241,410.94 and 82,009.39 is: 122,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,062.15 : 241,410.94 = 82,009.39 : x
  2. Step 2: Convert to fraction form
    161,062.15/241,410.94 = 82,009.39/x
  3. Step 3: Cross multiply
    161,062.15x = 241,410.94 × 82,009.39
  4. Step 4: Simplify right side
    161,062.15x = 19,797,963,928.73
  5. Step 5: Solve for x
    x = 19,797,963,928.73/161,062.15
  6. Step 6: Final answer
    x = 122,921.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.