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Finding the Fourth Proportional to 99,796.26, 137,715.39 and 59,489.25

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Solution

The fourth proportional to 99,796.26, 137,715.39 and 59,489.25 is: 82,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,796.26 : 137,715.39 = 59,489.25 : x
  2. Step 2: Convert to fraction form
    99,796.26/137,715.39 = 59,489.25/x
  3. Step 3: Cross multiply
    99,796.26x = 137,715.39 × 59,489.25
  4. Step 4: Simplify right side
    99,796.26x = 8,192,585,264.56
  5. Step 5: Solve for x
    x = 8,192,585,264.56/99,796.26
  6. Step 6: Final answer
    x = 82,093.11

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Why These Related Problems?

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