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Finding the Fourth Proportional to 164,674.42, 227,220.80 and 92,078.62

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Solution

The fourth proportional to 164,674.42, 227,220.80 and 92,078.62 is: 127,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,674.42 : 227,220.80 = 92,078.62 : x
  2. Step 2: Convert to fraction form
    164,674.42/227,220.80 = 92,078.62/x
  3. Step 3: Cross multiply
    164,674.42x = 227,220.80 × 92,078.62
  4. Step 4: Simplify right side
    164,674.42x = 20,922,177,948.97
  5. Step 5: Solve for x
    x = 20,922,177,948.97/164,674.42
  6. Step 6: Final answer
    x = 127,051.78

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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.