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Finding the Fourth Proportional to 178,384.07, 267,620.70 and 125,896.07

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Solution

The fourth proportional to 178,384.07, 267,620.70 and 125,896.07 is: 188,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,384.07 : 267,620.70 = 125,896.07 : x
  2. Step 2: Convert to fraction form
    178,384.07/267,620.70 = 125,896.07/x
  3. Step 3: Cross multiply
    178,384.07x = 267,620.70 × 125,896.07
  4. Step 4: Simplify right side
    178,384.07x = 33,692,394,380.65
  5. Step 5: Solve for x
    x = 33,692,394,380.65/178,384.07
  6. Step 6: Final answer
    x = 188,875.58

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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.