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Finding the Fourth Proportional to 68,676.90, 95,940.30 and 68,676.90

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Solution

The fourth proportional to 68,676.90, 95,940.30 and 68,676.90 is: 95,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,676.90 : 95,940.30 = 68,676.90 : x
  2. Step 2: Convert to fraction form
    68,676.90/95,940.30 = 68,676.90/x
  3. Step 3: Cross multiply
    68,676.90x = 95,940.30 × 68,676.90
  4. Step 4: Simplify right side
    68,676.90x = 6,588,882,389.07
  5. Step 5: Solve for x
    x = 6,588,882,389.07/68,676.90
  6. Step 6: Final answer
    x = 95,940.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.