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Finding the Fourth Proportional to 73,696.52, 110,544.78 and 18,292.52

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Solution

The fourth proportional to 73,696.52, 110,544.78 and 18,292.52 is: 27,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,696.52 : 110,544.78 = 18,292.52 : x
  2. Step 2: Convert to fraction form
    73,696.52/110,544.78 = 18,292.52/x
  3. Step 3: Cross multiply
    73,696.52x = 110,544.78 × 18,292.52
  4. Step 4: Simplify right side
    73,696.52x = 2,022,142,046.32
  5. Step 5: Solve for x
    x = 2,022,142,046.32/73,696.52
  6. Step 6: Final answer
    x = 27,438.77

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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.