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Finding the Fourth Proportional to 192,089.04, 287,900.27 and 135,945.56

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Solution

The fourth proportional to 192,089.04, 287,900.27 and 135,945.56 is: 203,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,089.04 : 287,900.27 = 135,945.56 : x
  2. Step 2: Convert to fraction form
    192,089.04/287,900.27 = 135,945.56/x
  3. Step 3: Cross multiply
    192,089.04x = 287,900.27 × 135,945.56
  4. Step 4: Simplify right side
    192,089.04x = 39,138,761,310.07
  5. Step 5: Solve for x
    x = 39,138,761,310.07/192,089.04
  6. Step 6: Final answer
    x = 203,753.22

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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.