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Finding the Fourth Proportional to 108,348.87, 162,537.12 and 41,808

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Solution

The fourth proportional to 108,348.87, 162,537.12 and 41,808 is: 62,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,348.87 : 162,537.12 = 41,808 : x
  2. Step 2: Convert to fraction form
    108,348.87/162,537.12 = 41,808/x
  3. Step 3: Cross multiply
    108,348.87x = 162,537.12 × 41,808
  4. Step 4: Simplify right side
    108,348.87x = 6,795,351,912.96
  5. Step 5: Solve for x
    x = 6,795,351,912.96/108,348.87
  6. Step 6: Final answer
    x = 62,717.33

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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.