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Finding the Fourth Proportional to 68,576.60, 94,645.80 and 41,713.90

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Solution

The fourth proportional to 68,576.60, 94,645.80 and 41,713.90 is: 57,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,576.60 : 94,645.80 = 41,713.90 : x
  2. Step 2: Convert to fraction form
    68,576.60/94,645.80 = 41,713.90/x
  3. Step 3: Cross multiply
    68,576.60x = 94,645.80 × 41,713.90
  4. Step 4: Simplify right side
    68,576.60x = 3,948,045,200.01
  5. Step 5: Solve for x
    x = 3,948,045,200.01/68,576.60
  6. Step 6: Final answer
    x = 57,571.32

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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.