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Finding the Fourth Proportional to 99,515.14, 137,233.11 and 84,449.14

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Solution

The fourth proportional to 99,515.14, 137,233.11 and 84,449.14 is: 116,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,515.14 : 137,233.11 = 84,449.14 : x
  2. Step 2: Convert to fraction form
    99,515.14/137,233.11 = 84,449.14/x
  3. Step 3: Cross multiply
    99,515.14x = 137,233.11 × 84,449.14
  4. Step 4: Simplify right side
    99,515.14x = 11,589,218,119.03
  5. Step 5: Solve for x
    x = 11,589,218,119.03/99,515.14
  6. Step 6: Final answer
    x = 116,456.83

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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.