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Finding the Fourth Proportional to 108,486.65, 162,745.37 and 33,612.68

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Solution

The fourth proportional to 108,486.65, 162,745.37 and 33,612.68 is: 50,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,486.65 : 162,745.37 = 33,612.68 : x
  2. Step 2: Convert to fraction form
    108,486.65/162,745.37 = 33,612.68/x
  3. Step 3: Cross multiply
    108,486.65x = 162,745.37 × 33,612.68
  4. Step 4: Simplify right side
    108,486.65x = 5,470,308,408.14
  5. Step 5: Solve for x
    x = 5,470,308,408.14/108,486.65
  6. Step 6: Final answer
    x = 50,423.79

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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.