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Finding the Fourth Proportional to 164,279.70, 246,382.38 and 75,447.81

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Solution

The fourth proportional to 164,279.70, 246,382.38 and 75,447.81 is: 113,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,279.70 : 246,382.38 = 75,447.81 : x
  2. Step 2: Convert to fraction form
    164,279.70/246,382.38 = 75,447.81/x
  3. Step 3: Cross multiply
    164,279.70x = 246,382.38 × 75,447.81
  4. Step 4: Simplify right side
    164,279.70x = 18,589,010,993.59
  5. Step 5: Solve for x
    x = 18,589,010,993.59/164,279.70
  6. Step 6: Final answer
    x = 113,154.64

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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.