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Finding the Fourth Proportional to 68,606.94, 102,899.76 and 26,480.88

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Solution

The fourth proportional to 68,606.94, 102,899.76 and 26,480.88 is: 39,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.94 : 102,899.76 = 26,480.88 : x
  2. Step 2: Convert to fraction form
    68,606.94/102,899.76 = 26,480.88/x
  3. Step 3: Cross multiply
    68,606.94x = 102,899.76 × 26,480.88
  4. Step 4: Simplify right side
    68,606.94x = 2,724,876,196.59
  5. Step 5: Solve for x
    x = 2,724,876,196.59/68,606.94
  6. Step 6: Final answer
    x = 39,717.21

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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.