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Finding the Fourth Proportional to 150,573.60, 225,601.20 and 71,517.60

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Solution

The fourth proportional to 150,573.60, 225,601.20 and 71,517.60 is: 107,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,573.60 : 225,601.20 = 71,517.60 : x
  2. Step 2: Convert to fraction form
    150,573.60/225,601.20 = 71,517.60/x
  3. Step 3: Cross multiply
    150,573.60x = 225,601.20 × 71,517.60
  4. Step 4: Simplify right side
    150,573.60x = 16,134,456,381.12
  5. Step 5: Solve for x
    x = 16,134,456,381.12/150,573.60
  6. Step 6: Final answer
    x = 107,153.29

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1.5x scale

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.