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Finding the Fourth Proportional to 193,163.70, 289,089.45 and 169,544.10

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Solution

The fourth proportional to 193,163.70, 289,089.45 and 169,544.10 is: 253,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,163.70 : 289,089.45 = 169,544.10 : x
  2. Step 2: Convert to fraction form
    193,163.70/289,089.45 = 169,544.10/x
  3. Step 3: Cross multiply
    193,163.70x = 289,089.45 × 169,544.10
  4. Step 4: Simplify right side
    193,163.70x = 49,013,410,619.75
  5. Step 5: Solve for x
    x = 49,013,410,619.75/193,163.70
  6. Step 6: Final answer
    x = 253,740.28

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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.