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Finding the Fourth Proportional to 68,402.52, 94,369.50 and 41,534.84

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Solution

The fourth proportional to 68,402.52, 94,369.50 and 41,534.84 is: 57,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,402.52 : 94,369.50 = 41,534.84 : x
  2. Step 2: Convert to fraction form
    68,402.52/94,369.50 = 41,534.84/x
  3. Step 3: Cross multiply
    68,402.52x = 94,369.50 × 41,534.84
  4. Step 4: Simplify right side
    68,402.52x = 3,919,622,083.38
  5. Step 5: Solve for x
    x = 3,919,622,083.38/68,402.52
  6. Step 6: Final answer
    x = 57,302.31

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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.