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Finding the Fourth Proportional to 68,491.17, 102,727.17 and 23,511.81

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Solution

The fourth proportional to 68,491.17, 102,727.17 and 23,511.81 is: 35,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,491.17 : 102,727.17 = 23,511.81 : x
  2. Step 2: Convert to fraction form
    68,491.17/102,727.17 = 23,511.81/x
  3. Step 3: Cross multiply
    68,491.17x = 102,727.17 × 23,511.81
  4. Step 4: Simplify right side
    68,491.17x = 2,415,301,702.88
  5. Step 5: Solve for x
    x = 2,415,301,702.88/68,491.17
  6. Step 6: Final answer
    x = 35,264.42

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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.