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Finding the Fourth Proportional to 136,628.57, 204,927.45 and 36,796.07

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Solution

The fourth proportional to 136,628.57, 204,927.45 and 36,796.07 is: 55,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,628.57 : 204,927.45 = 36,796.07 : x
  2. Step 2: Convert to fraction form
    136,628.57/204,927.45 = 36,796.07/x
  3. Step 3: Cross multiply
    136,628.57x = 204,927.45 × 36,796.07
  4. Step 4: Simplify right side
    136,628.57x = 7,540,523,770.48
  5. Step 5: Solve for x
    x = 7,540,523,770.48/136,628.57
  6. Step 6: Final answer
    x = 55,189.95

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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.