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Finding the Fourth Proportional to 179,960.72, 270,105.48 and 91,275.44

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Solution

The fourth proportional to 179,960.72, 270,105.48 and 91,275.44 is: 136,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,960.72 : 270,105.48 = 91,275.44 : x
  2. Step 2: Convert to fraction form
    179,960.72/270,105.48 = 91,275.44/x
  3. Step 3: Cross multiply
    179,960.72x = 270,105.48 × 91,275.44
  4. Step 4: Simplify right side
    179,960.72x = 24,653,996,533.41
  5. Step 5: Solve for x
    x = 24,653,996,533.41/179,960.72
  6. Step 6: Final answer
    x = 136,996.54

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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.