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Finding the Fourth Proportional to 177,402.50, 244,815.46 and 120,912.56

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Solution

The fourth proportional to 177,402.50, 244,815.46 and 120,912.56 is: 166,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,402.50 : 244,815.46 = 120,912.56 : x
  2. Step 2: Convert to fraction form
    177,402.50/244,815.46 = 120,912.56/x
  3. Step 3: Cross multiply
    177,402.50x = 244,815.46 × 120,912.56
  4. Step 4: Simplify right side
    177,402.50x = 29,601,263,996.18
  5. Step 5: Solve for x
    x = 29,601,263,996.18/177,402.50
  6. Step 6: Final answer
    x = 166,859.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.