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Finding the Fourth Proportional to 68,161.21, 94,065.54 and 37,948.49

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Solution

The fourth proportional to 68,161.21, 94,065.54 and 37,948.49 is: 52,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,161.21 : 94,065.54 = 37,948.49 : x
  2. Step 2: Convert to fraction form
    68,161.21/94,065.54 = 37,948.49/x
  3. Step 3: Cross multiply
    68,161.21x = 94,065.54 × 37,948.49
  4. Step 4: Simplify right side
    68,161.21x = 3,569,645,204.03
  5. Step 5: Solve for x
    x = 3,569,645,204.03/68,161.21
  6. Step 6: Final answer
    x = 52,370.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.