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Finding the Fourth Proportional to 179,576.88, 269,363.54 and 68,768.88

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Solution

The fourth proportional to 179,576.88, 269,363.54 and 68,768.88 is: 103,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,576.88 : 269,363.54 = 68,768.88 : x
  2. Step 2: Convert to fraction form
    179,576.88/269,363.54 = 68,768.88/x
  3. Step 3: Cross multiply
    179,576.88x = 269,363.54 × 68,768.88
  4. Step 4: Simplify right side
    179,576.88x = 18,523,828,958.64
  5. Step 5: Solve for x
    x = 18,523,828,958.64/179,576.88
  6. Step 6: Final answer
    x = 103,152.64

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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.