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Finding the Fourth Proportional to 108,481.78, 162,733.36 and 37,395.05

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Solution

The fourth proportional to 108,481.78, 162,733.36 and 37,395.05 is: 56,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,481.78 : 162,733.36 = 37,395.05 : x
  2. Step 2: Convert to fraction form
    108,481.78/162,733.36 = 37,395.05/x
  3. Step 3: Cross multiply
    108,481.78x = 162,733.36 × 37,395.05
  4. Step 4: Simplify right side
    108,481.78x = 6,085,422,133.87
  5. Step 5: Solve for x
    x = 6,085,422,133.87/108,481.78
  6. Step 6: Final answer
    x = 56,096.26

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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.