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Finding the Fourth Proportional to 168,519.64, 252,825.64 and 73,732.64

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Solution

The fourth proportional to 168,519.64, 252,825.64 and 73,732.64 is: 110,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,519.64 : 252,825.64 = 73,732.64 : x
  2. Step 2: Convert to fraction form
    168,519.64/252,825.64 = 73,732.64/x
  3. Step 3: Cross multiply
    168,519.64x = 252,825.64 × 73,732.64
  4. Step 4: Simplify right side
    168,519.64x = 18,641,501,896.89
  5. Step 5: Solve for x
    x = 18,641,501,896.89/168,519.64
  6. Step 6: Final answer
    x = 110,619.17

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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.