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Finding the Fourth Proportional to 108,071.73, 162,053.96 and 36,974.25

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Solution

The fourth proportional to 108,071.73, 162,053.96 and 36,974.25 is: 55,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,071.73 : 162,053.96 = 36,974.25 : x
  2. Step 2: Convert to fraction form
    108,071.73/162,053.96 = 36,974.25/x
  3. Step 3: Cross multiply
    108,071.73x = 162,053.96 × 36,974.25
  4. Step 4: Simplify right side
    108,071.73x = 5,991,823,722.97
  5. Step 5: Solve for x
    x = 5,991,823,722.97/108,071.73
  6. Step 6: Final answer
    x = 55,443.03

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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.