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Finding the Fourth Proportional to 192,914.56, 266,214.63 and 108,027.28

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Solution

The fourth proportional to 192,914.56, 266,214.63 and 108,027.28 is: 149,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,914.56 : 266,214.63 = 108,027.28 : x
  2. Step 2: Convert to fraction form
    192,914.56/266,214.63 = 108,027.28/x
  3. Step 3: Cross multiply
    192,914.56x = 266,214.63 × 108,027.28
  4. Step 4: Simplify right side
    192,914.56x = 28,758,442,375.11
  5. Step 5: Solve for x
    x = 28,758,442,375.11/192,914.56
  6. Step 6: Final answer
    x = 149,073.47

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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.