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Finding the Fourth Proportional to 68,602.94, 102,893.79 and 26,476.88

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Solution

The fourth proportional to 68,602.94, 102,893.79 and 26,476.88 is: 39,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,602.94 : 102,893.79 = 26,476.88 : x
  2. Step 2: Convert to fraction form
    68,602.94/102,893.79 = 26,476.88/x
  3. Step 3: Cross multiply
    68,602.94x = 102,893.79 × 26,476.88
  4. Step 4: Simplify right side
    68,602.94x = 2,724,306,530.58
  5. Step 5: Solve for x
    x = 2,724,306,530.58/68,602.94
  6. Step 6: Final answer
    x = 39,711.22

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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.