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Finding the Fourth Proportional to 68,336.01, 102,497.00 and 18,414.09

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Solution

The fourth proportional to 68,336.01, 102,497.00 and 18,414.09 is: 27,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.01 : 102,497.00 = 18,414.09 : x
  2. Step 2: Convert to fraction form
    68,336.01/102,497.00 = 18,414.09/x
  3. Step 3: Cross multiply
    68,336.01x = 102,497.00 × 18,414.09
  4. Step 4: Simplify right side
    68,336.01x = 1,887,388,890.66
  5. Step 5: Solve for x
    x = 1,887,388,890.66/68,336.01
  6. Step 6: Final answer
    x = 27,619.24

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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.