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Finding the Fourth Proportional to 223,458.58, 335,191.50 and 54,979.36

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Solution

The fourth proportional to 223,458.58, 335,191.50 and 54,979.36 is: 82,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,458.58 : 335,191.50 = 54,979.36 : x
  2. Step 2: Convert to fraction form
    223,458.58/335,191.50 = 54,979.36/x
  3. Step 3: Cross multiply
    223,458.58x = 335,191.50 × 54,979.36
  4. Step 4: Simplify right side
    223,458.58x = 18,428,614,147.44
  5. Step 5: Solve for x
    x = 18,428,614,147.44/223,458.58
  6. Step 6: Final answer
    x = 82,469.93

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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.