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Finding the Fourth Proportional to 178,374.80, 267,562.20 and 173,190.80

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Solution

The fourth proportional to 178,374.80, 267,562.20 and 173,190.80 is: 259,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,374.80 : 267,562.20 = 173,190.80 : x
  2. Step 2: Convert to fraction form
    178,374.80/267,562.20 = 173,190.80/x
  3. Step 3: Cross multiply
    178,374.80x = 267,562.20 × 173,190.80
  4. Step 4: Simplify right side
    178,374.80x = 46,339,311,467.76
  5. Step 5: Solve for x
    x = 46,339,311,467.76/178,374.80
  6. Step 6: Final answer
    x = 259,786.20

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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.