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Finding the Fourth Proportional to 150,608.60, 225,912.90 and 82,957.40

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Solution

The fourth proportional to 150,608.60, 225,912.90 and 82,957.40 is: 124,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,608.60 : 225,912.90 = 82,957.40 : x
  2. Step 2: Convert to fraction form
    150,608.60/225,912.90 = 82,957.40/x
  3. Step 3: Cross multiply
    150,608.60x = 225,912.90 × 82,957.40
  4. Step 4: Simplify right side
    150,608.60x = 18,741,146,810.46
  5. Step 5: Solve for x
    x = 18,741,146,810.46/150,608.60
  6. Step 6: Final answer
    x = 124,436.10

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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.