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Finding the Fourth Proportional to 164,606.81, 227,175.84 and 92,991.45

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Solution

The fourth proportional to 164,606.81, 227,175.84 and 92,991.45 is: 128,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,606.81 : 227,175.84 = 92,991.45 : x
  2. Step 2: Convert to fraction form
    164,606.81/227,175.84 = 92,991.45/x
  3. Step 3: Cross multiply
    164,606.81x = 227,175.84 × 92,991.45
  4. Step 4: Simplify right side
    164,606.81x = 21,125,410,766.57
  5. Step 5: Solve for x
    x = 21,125,410,766.57/164,606.81
  6. Step 6: Final answer
    x = 128,338.62

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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.