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Finding the Fourth Proportional to 54,163, 81,252.27 and 16,726.27

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Solution

The fourth proportional to 54,163, 81,252.27 and 16,726.27 is: 25,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163 : 81,252.27 = 16,726.27 : x
  2. Step 2: Convert to fraction form
    54,163/81,252.27 = 16,726.27/x
  3. Step 3: Cross multiply
    54,163x = 81,252.27 × 16,726.27
  4. Step 4: Simplify right side
    54,163x = 1,359,047,406.13
  5. Step 5: Solve for x
    x = 1,359,047,406.13/54,163
  6. Step 6: Final answer
    x = 25,091.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.