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Finding the Fourth Proportional to 164,986.26, 227,680.92 and 93,364.98

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Solution

The fourth proportional to 164,986.26, 227,680.92 and 93,364.98 is: 128,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,986.26 : 227,680.92 = 93,364.98 : x
  2. Step 2: Convert to fraction form
    164,986.26/227,680.92 = 93,364.98/x
  3. Step 3: Cross multiply
    164,986.26x = 227,680.92 × 93,364.98
  4. Step 4: Simplify right side
    164,986.26x = 21,257,424,542.18
  5. Step 5: Solve for x
    x = 21,257,424,542.18/164,986.26
  6. Step 6: Final answer
    x = 128,843.61

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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.