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Finding the Fourth Proportional to 268,043.45, 369,883.14 and 147,183.89

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Solution

The fourth proportional to 268,043.45, 369,883.14 and 147,183.89 is: 203,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,043.45 : 369,883.14 = 147,183.89 : x
  2. Step 2: Convert to fraction form
    268,043.45/369,883.14 = 147,183.89/x
  3. Step 3: Cross multiply
    268,043.45x = 369,883.14 × 147,183.89
  4. Step 4: Simplify right side
    268,043.45x = 54,440,839,390.61
  5. Step 5: Solve for x
    x = 54,440,839,390.61/268,043.45
  6. Step 6: Final answer
    x = 203,104.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.