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Finding the Fourth Proportional to 268,014.44, 369,860.66 and 147,163.56

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Solution

The fourth proportional to 268,014.44, 369,860.66 and 147,163.56 is: 203,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,014.44 : 369,860.66 = 147,163.56 : x
  2. Step 2: Convert to fraction form
    268,014.44/369,860.66 = 147,163.56/x
  3. Step 3: Cross multiply
    268,014.44x = 369,860.66 × 147,163.56
  4. Step 4: Simplify right side
    268,014.44x = 54,430,010,693.73
  5. Step 5: Solve for x
    x = 54,430,010,693.73/268,014.44
  6. Step 6: Final answer
    x = 203,086.11

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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.