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Finding the Fourth Proportional to 335,892.60, 503,829.75 and 136,208.55

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Solution

The fourth proportional to 335,892.60, 503,829.75 and 136,208.55 is: 204,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,892.60 : 503,829.75 = 136,208.55 : x
  2. Step 2: Convert to fraction form
    335,892.60/503,829.75 = 136,208.55/x
  3. Step 3: Cross multiply
    335,892.60x = 503,829.75 × 136,208.55
  4. Step 4: Simplify right side
    335,892.60x = 68,625,919,694.36
  5. Step 5: Solve for x
    x = 68,625,919,694.36/335,892.60
  6. Step 6: Final answer
    x = 204,309.11

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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.