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Finding the Fourth Proportional to 68,418.88, 94,424.94 and 41,564.07

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Solution

The fourth proportional to 68,418.88, 94,424.94 and 41,564.07 is: 57,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,418.88 : 94,424.94 = 41,564.07 : x
  2. Step 2: Convert to fraction form
    68,418.88/94,424.94 = 41,564.07/x
  3. Step 3: Cross multiply
    68,418.88x = 94,424.94 × 41,564.07
  4. Step 4: Simplify right side
    68,418.88x = 3,924,684,815.91
  5. Step 5: Solve for x
    x = 3,924,684,815.91/68,418.88
  6. Step 6: Final answer
    x = 57,362.60

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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.