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Finding the Fourth Proportional to 108,495.63, 162,768.29 and 41,936.31

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Solution

The fourth proportional to 108,495.63, 162,768.29 and 41,936.31 is: 62,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,495.63 : 162,768.29 = 41,936.31 : x
  2. Step 2: Convert to fraction form
    108,495.63/162,768.29 = 41,936.31/x
  3. Step 3: Cross multiply
    108,495.63x = 162,768.29 × 41,936.31
  4. Step 4: Simplify right side
    108,495.63x = 6,825,901,257.93
  5. Step 5: Solve for x
    x = 6,825,901,257.93/108,495.63
  6. Step 6: Final answer
    x = 62,914.07

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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.