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Finding the Fourth Proportional to 275,358.44, 412,936.74 and 95,397.39

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Solution

The fourth proportional to 275,358.44, 412,936.74 and 95,397.39 is: 143,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,358.44 : 412,936.74 = 95,397.39 : x
  2. Step 2: Convert to fraction form
    275,358.44/412,936.74 = 95,397.39/x
  3. Step 3: Cross multiply
    275,358.44x = 412,936.74 × 95,397.39
  4. Step 4: Simplify right side
    275,358.44x = 39,393,087,231.11
  5. Step 5: Solve for x
    x = 39,393,087,231.11/275,358.44
  6. Step 6: Final answer
    x = 143,061.12

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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.