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Finding the Fourth Proportional to 68,605.80, 96,324.60 and 68,605.80

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Solution

The fourth proportional to 68,605.80, 96,324.60 and 68,605.80 is: 96,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,605.80 : 96,324.60 = 68,605.80 : x
  2. Step 2: Convert to fraction form
    68,605.80/96,324.60 = 68,605.80/x
  3. Step 3: Cross multiply
    68,605.80x = 96,324.60 × 68,605.80
  4. Step 4: Simplify right side
    68,605.80x = 6,608,426,242.68
  5. Step 5: Solve for x
    x = 6,608,426,242.68/68,605.80
  6. Step 6: Final answer
    x = 96,324.60

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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.