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Finding the Fourth Proportional to 192,933.04, 289,396.86 and 117,049.68

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Solution

The fourth proportional to 192,933.04, 289,396.86 and 117,049.68 is: 175,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,933.04 : 289,396.86 = 117,049.68 : x
  2. Step 2: Convert to fraction form
    192,933.04/289,396.86 = 117,049.68/x
  3. Step 3: Cross multiply
    192,933.04x = 289,396.86 × 117,049.68
  4. Step 4: Simplify right side
    192,933.04x = 33,873,809,856.00
  5. Step 5: Solve for x
    x = 33,873,809,856.00/192,933.04
  6. Step 6: Final answer
    x = 175,572.88

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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.