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Finding the Fourth Proportional to 110,201.59, 165,313.32 and 43,687.63

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Solution

The fourth proportional to 110,201.59, 165,313.32 and 43,687.63 is: 65,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,201.59 : 165,313.32 = 43,687.63 : x
  2. Step 2: Convert to fraction form
    110,201.59/165,313.32 = 43,687.63/x
  3. Step 3: Cross multiply
    110,201.59x = 165,313.32 × 43,687.63
  4. Step 4: Simplify right side
    110,201.59x = 7,222,147,158.23
  5. Step 5: Solve for x
    x = 7,222,147,158.23/110,201.59
  6. Step 6: Final answer
    x = 65,535.78

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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.