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Finding the Fourth Proportional to 203,185.44, 304,792.77 and 70,063.78

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Solution

The fourth proportional to 203,185.44, 304,792.77 and 70,063.78 is: 105,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185.44 : 304,792.77 = 70,063.78 : x
  2. Step 2: Convert to fraction form
    203,185.44/304,792.77 = 70,063.78/x
  3. Step 3: Cross multiply
    203,185.44x = 304,792.77 × 70,063.78
  4. Step 4: Simplify right side
    203,185.44x = 21,354,933,440.81
  5. Step 5: Solve for x
    x = 21,354,933,440.81/203,185.44
  6. Step 6: Final answer
    x = 105,100.71

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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.