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Finding the Fourth Proportional to 335,756.88, 503,842.68 and 136,078.92

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Solution

The fourth proportional to 335,756.88, 503,842.68 and 136,078.92 is: 204,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,756.88 : 503,842.68 = 136,078.92 : x
  2. Step 2: Convert to fraction form
    335,756.88/503,842.68 = 136,078.92/x
  3. Step 3: Cross multiply
    335,756.88x = 503,842.68 × 136,078.92
  4. Step 4: Simplify right side
    335,756.88x = 68,562,367,744.31
  5. Step 5: Solve for x
    x = 68,562,367,744.31/335,756.88
  6. Step 6: Final answer
    x = 204,202.42

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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.