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Finding the Fourth Proportional to 73,696.46, 110,544.68 and 18,292.46

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Solution

The fourth proportional to 73,696.46, 110,544.68 and 18,292.46 is: 27,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,696.46 : 110,544.68 = 18,292.46 : x
  2. Step 2: Convert to fraction form
    73,696.46/110,544.68 = 18,292.46/x
  3. Step 3: Cross multiply
    73,696.46x = 110,544.68 × 18,292.46
  4. Step 4: Simplify right side
    73,696.46x = 2,022,133,584.39
  5. Step 5: Solve for x
    x = 2,022,133,584.39/73,696.46
  6. Step 6: Final answer
    x = 27,438.68

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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.