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Finding the Fourth Proportional to 271,163.52, 406,350.72 and 130,757.76

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Solution

The fourth proportional to 271,163.52, 406,350.72 and 130,757.76 is: 195,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,163.52 : 406,350.72 = 130,757.76 : x
  2. Step 2: Convert to fraction form
    271,163.52/406,350.72 = 130,757.76/x
  3. Step 3: Cross multiply
    271,163.52x = 406,350.72 × 130,757.76
  4. Step 4: Simplify right side
    271,163.52x = 53,133,509,921.59
  5. Step 5: Solve for x
    x = 53,133,509,921.59/271,163.52
  6. Step 6: Final answer
    x = 195,946.38

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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.