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Finding the Fourth Proportional to 68,207.36, 94,130.89 and 41,351

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Solution

The fourth proportional to 68,207.36, 94,130.89 and 41,351 is: 57,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,207.36 : 94,130.89 = 41,351 : x
  2. Step 2: Convert to fraction form
    68,207.36/94,130.89 = 41,351/x
  3. Step 3: Cross multiply
    68,207.36x = 94,130.89 × 41,351
  4. Step 4: Simplify right side
    68,207.36x = 3,892,406,432.39
  5. Step 5: Solve for x
    x = 3,892,406,432.39/68,207.36
  6. Step 6: Final answer
    x = 57,067.25

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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.