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Finding the Fourth Proportional to 163,666.29, 225,857.31 and 92,046.31

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Solution

The fourth proportional to 163,666.29, 225,857.31 and 92,046.31 is: 127,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666.29 : 225,857.31 = 92,046.31 : x
  2. Step 2: Convert to fraction form
    163,666.29/225,857.31 = 92,046.31/x
  3. Step 3: Cross multiply
    163,666.29x = 225,857.31 × 92,046.31
  4. Step 4: Simplify right side
    163,666.29x = 20,789,331,511.79
  5. Step 5: Solve for x
    x = 20,789,331,511.79/163,666.29
  6. Step 6: Final answer
    x = 127,022.68

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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.