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Finding the Fourth Proportional to 68,009.68, 93,871.96 and 44,135.04

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Solution

The fourth proportional to 68,009.68, 93,871.96 and 44,135.04 is: 60,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.68 : 93,871.96 = 44,135.04 : x
  2. Step 2: Convert to fraction form
    68,009.68/93,871.96 = 44,135.04/x
  3. Step 3: Cross multiply
    68,009.68x = 93,871.96 × 44,135.04
  4. Step 4: Simplify right side
    68,009.68x = 4,143,042,709.48
  5. Step 5: Solve for x
    x = 4,143,042,709.48/68,009.68
  6. Step 6: Final answer
    x = 60,918.43

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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.