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Finding the Fourth Proportional to 178,469.98, 267,619.55 and 103,610.80

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Solution

The fourth proportional to 178,469.98, 267,619.55 and 103,610.80 is: 155,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,469.98 : 267,619.55 = 103,610.80 : x
  2. Step 2: Convert to fraction form
    178,469.98/267,619.55 = 103,610.80/x
  3. Step 3: Cross multiply
    178,469.98x = 267,619.55 × 103,610.80
  4. Step 4: Simplify right side
    178,469.98x = 27,728,275,671.14
  5. Step 5: Solve for x
    x = 27,728,275,671.14/178,469.98
  6. Step 6: Final answer
    x = 155,366.61

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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.