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Finding the Fourth Proportional to 68,316.69, 102,491.71 and 26,196.02

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Solution

The fourth proportional to 68,316.69, 102,491.71 and 26,196.02 is: 39,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.69 : 102,491.71 = 26,196.02 : x
  2. Step 2: Convert to fraction form
    68,316.69/102,491.71 = 26,196.02/x
  3. Step 3: Cross multiply
    68,316.69x = 102,491.71 × 26,196.02
  4. Step 4: Simplify right side
    68,316.69x = 2,684,874,884.99
  5. Step 5: Solve for x
    x = 2,684,874,884.99/68,316.69
  6. Step 6: Final answer
    x = 39,300.42

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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.