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Finding the Fourth Proportional to 150,993.27, 226,664.87 and 81,009.27

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Solution

The fourth proportional to 150,993.27, 226,664.87 and 81,009.27 is: 121,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,993.27 : 226,664.87 = 81,009.27 : x
  2. Step 2: Convert to fraction form
    150,993.27/226,664.87 = 81,009.27/x
  3. Step 3: Cross multiply
    150,993.27x = 226,664.87 × 81,009.27
  4. Step 4: Simplify right side
    150,993.27x = 18,361,955,248.30
  5. Step 5: Solve for x
    x = 18,361,955,248.30/150,993.27
  6. Step 6: Final answer
    x = 121,607.77

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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.