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Finding the Fourth Proportional to 164,443.89, 226,976.44 and 92,865.81

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Solution

The fourth proportional to 164,443.89, 226,976.44 and 92,865.81 is: 128,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,443.89 : 226,976.44 = 92,865.81 : x
  2. Step 2: Convert to fraction form
    164,443.89/226,976.44 = 92,865.81/x
  3. Step 3: Cross multiply
    164,443.89x = 226,976.44 × 92,865.81
  4. Step 4: Simplify right side
    164,443.89x = 21,078,350,951.52
  5. Step 5: Solve for x
    x = 21,078,350,951.52/164,443.89
  6. Step 6: Final answer
    x = 128,179.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.