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Finding the Fourth Proportional to 164,661.57, 227,246.31 and 93,056.45

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Solution

The fourth proportional to 164,661.57, 227,246.31 and 93,056.45 is: 128,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,661.57 : 227,246.31 = 93,056.45 : x
  2. Step 2: Convert to fraction form
    164,661.57/227,246.31 = 93,056.45/x
  3. Step 3: Cross multiply
    164,661.57x = 227,246.31 × 93,056.45
  4. Step 4: Simplify right side
    164,661.57x = 21,146,733,747.97
  5. Step 5: Solve for x
    x = 21,146,733,747.97/164,661.57
  6. Step 6: Final answer
    x = 128,425.43

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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.