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Finding the Fourth Proportional to 68,369.44, 94,358.48 and 39,682.96

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Solution

The fourth proportional to 68,369.44, 94,358.48 and 39,682.96 is: 54,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,369.44 : 94,358.48 = 39,682.96 : x
  2. Step 2: Convert to fraction form
    68,369.44/94,358.48 = 39,682.96/x
  3. Step 3: Cross multiply
    68,369.44x = 94,358.48 × 39,682.96
  4. Step 4: Simplify right side
    68,369.44x = 3,744,423,787.50
  5. Step 5: Solve for x
    x = 3,744,423,787.50/68,369.44
  6. Step 6: Final answer
    x = 54,767.51

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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.