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Finding the Fourth Proportional to 68,384.28, 102,532.14 and 44,939.64

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Solution

The fourth proportional to 68,384.28, 102,532.14 and 44,939.64 is: 67,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384.28 : 102,532.14 = 44,939.64 : x
  2. Step 2: Convert to fraction form
    68,384.28/102,532.14 = 44,939.64/x
  3. Step 3: Cross multiply
    68,384.28x = 102,532.14 × 44,939.64
  4. Step 4: Simplify right side
    68,384.28x = 4,607,757,460.03
  5. Step 5: Solve for x
    x = 4,607,757,460.03/68,384.28
  6. Step 6: Final answer
    x = 67,380.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.