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Finding the Fourth Proportional to 68,774.09, 103,127.11 and 24,394.19

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Solution

The fourth proportional to 68,774.09, 103,127.11 and 24,394.19 is: 36,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,774.09 : 103,127.11 = 24,394.19 : x
  2. Step 2: Convert to fraction form
    68,774.09/103,127.11 = 24,394.19/x
  3. Step 3: Cross multiply
    68,774.09x = 103,127.11 × 24,394.19
  4. Step 4: Simplify right side
    68,774.09x = 2,515,701,738.87
  5. Step 5: Solve for x
    x = 2,515,701,738.87/68,774.09
  6. Step 6: Final answer
    x = 36,579.21

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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.