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Finding the Fourth Proportional to 223,893.20, 335,724.60 and 83,579.60

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Solution

The fourth proportional to 223,893.20, 335,724.60 and 83,579.60 is: 125,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,893.20 : 335,724.60 = 83,579.60 : x
  2. Step 2: Convert to fraction form
    223,893.20/335,724.60 = 83,579.60/x
  3. Step 3: Cross multiply
    223,893.20x = 335,724.60 × 83,579.60
  4. Step 4: Simplify right side
    223,893.20x = 28,059,727,778.16
  5. Step 5: Solve for x
    x = 28,059,727,778.16/223,893.20
  6. Step 6: Final answer
    x = 125,326.40

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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.