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Finding the Fourth Proportional to 179,670, 269,467.28 and 53,311.44

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Solution

The fourth proportional to 179,670, 269,467.28 and 53,311.44 is: 79,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,670 : 269,467.28 = 53,311.44 : x
  2. Step 2: Convert to fraction form
    179,670/269,467.28 = 53,311.44/x
  3. Step 3: Cross multiply
    179,670x = 269,467.28 × 53,311.44
  4. Step 4: Simplify right side
    179,670x = 14,365,688,729.68
  5. Step 5: Solve for x
    x = 14,365,688,729.68/179,670
  6. Step 6: Final answer
    x = 79,955.97

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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.