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Finding the Fourth Proportional to 227,694.78, 341,558.64 and 87,453.41

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Solution

The fourth proportional to 227,694.78, 341,558.64 and 87,453.41 is: 131,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,694.78 : 341,558.64 = 87,453.41 : x
  2. Step 2: Convert to fraction form
    227,694.78/341,558.64 = 87,453.41/x
  3. Step 3: Cross multiply
    227,694.78x = 341,558.64 × 87,453.41
  4. Step 4: Simplify right side
    227,694.78x = 29,870,466,075.17
  5. Step 5: Solve for x
    x = 29,870,466,075.17/227,694.78
  6. Step 6: Final answer
    x = 131,186.43

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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.