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Finding the Fourth Proportional to 68,877.94, 103,316.91 and 27,324.94

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Solution

The fourth proportional to 68,877.94, 103,316.91 and 27,324.94 is: 40,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,877.94 : 103,316.91 = 27,324.94 : x
  2. Step 2: Convert to fraction form
    68,877.94/103,316.91 = 27,324.94/x
  3. Step 3: Cross multiply
    68,877.94x = 103,316.91 × 27,324.94
  4. Step 4: Simplify right side
    68,877.94x = 2,823,128,108.44
  5. Step 5: Solve for x
    x = 2,823,128,108.44/68,877.94
  6. Step 6: Final answer
    x = 40,987.41

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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.