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Finding the Fourth Proportional to 179,817, 269,738.46 and 69,009

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Solution

The fourth proportional to 179,817, 269,738.46 and 69,009 is: 103,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,817 : 269,738.46 = 69,009 : x
  2. Step 2: Convert to fraction form
    179,817/269,738.46 = 69,009/x
  3. Step 3: Cross multiply
    179,817x = 269,738.46 × 69,009
  4. Step 4: Simplify right side
    179,817x = 18,614,381,386.14
  5. Step 5: Solve for x
    x = 18,614,381,386.14/179,817
  6. Step 6: Final answer
    x = 103,518.47

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