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Finding the Fourth Proportional to 108,960.30, 150,351.23 and 63,605.48

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Solution

The fourth proportional to 108,960.30, 150,351.23 and 63,605.48 is: 87,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,960.30 : 150,351.23 = 63,605.48 : x
  2. Step 2: Convert to fraction form
    108,960.30/150,351.23 = 63,605.48/x
  3. Step 3: Cross multiply
    108,960.30x = 150,351.23 × 63,605.48
  4. Step 4: Simplify right side
    108,960.30x = 9,563,161,082.96
  5. Step 5: Solve for x
    x = 9,563,161,082.96/108,960.30
  6. Step 6: Final answer
    x = 87,767.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.