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Finding the Fourth Proportional to 68,195.33, 94,084.08 and 68,090.19

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Solution

The fourth proportional to 68,195.33, 94,084.08 and 68,090.19 is: 93,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,195.33 : 94,084.08 = 68,090.19 : x
  2. Step 2: Convert to fraction form
    68,195.33/94,084.08 = 68,090.19/x
  3. Step 3: Cross multiply
    68,195.33x = 94,084.08 × 68,090.19
  4. Step 4: Simplify right side
    68,195.33x = 6,406,202,883.18
  5. Step 5: Solve for x
    x = 6,406,202,883.18/68,195.33
  6. Step 6: Final answer
    x = 93,939.03

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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.