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Finding the Fourth Proportional to 248,847.20, 372,687.60 and 154,368.80

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Solution

The fourth proportional to 248,847.20, 372,687.60 and 154,368.80 is: 231,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,847.20 : 372,687.60 = 154,368.80 : x
  2. Step 2: Convert to fraction form
    248,847.20/372,687.60 = 154,368.80/x
  3. Step 3: Cross multiply
    248,847.20x = 372,687.60 × 154,368.80
  4. Step 4: Simplify right side
    248,847.20x = 57,531,337,586.88
  5. Step 5: Solve for x
    x = 57,531,337,586.88/248,847.20
  6. Step 6: Final answer
    x = 231,191.42

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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.