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Finding the Fourth Proportional to 122,295.44, 183,383.90 and 71,708.30

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Solution

The fourth proportional to 122,295.44, 183,383.90 and 71,708.30 is: 107,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,295.44 : 183,383.90 = 71,708.30 : x
  2. Step 2: Convert to fraction form
    122,295.44/183,383.90 = 71,708.30/x
  3. Step 3: Cross multiply
    122,295.44x = 183,383.90 × 71,708.30
  4. Step 4: Simplify right side
    122,295.44x = 13,150,147,716.37
  5. Step 5: Solve for x
    x = 13,150,147,716.37/122,295.44
  6. Step 6: Final answer
    x = 107,527.70

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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.