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Finding the Fourth Proportional to 336,367.12, 504,517.92 and 136,699.48

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Solution

The fourth proportional to 336,367.12, 504,517.92 and 136,699.48 is: 205,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,367.12 : 504,517.92 = 136,699.48 : x
  2. Step 2: Convert to fraction form
    336,367.12/504,517.92 = 136,699.48/x
  3. Step 3: Cross multiply
    336,367.12x = 504,517.92 × 136,699.48
  4. Step 4: Simplify right side
    336,367.12x = 68,967,337,314.68
  5. Step 5: Solve for x
    x = 68,967,337,314.68/336,367.12
  6. Step 6: Final answer
    x = 205,035.91

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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.