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Finding the Fourth Proportional to 247,171.81, 341,096.31 and 133,994.56

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Solution

The fourth proportional to 247,171.81, 341,096.31 and 133,994.56 is: 184,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,171.81 : 341,096.31 = 133,994.56 : x
  2. Step 2: Convert to fraction form
    247,171.81/341,096.31 = 133,994.56/x
  3. Step 3: Cross multiply
    247,171.81x = 341,096.31 × 133,994.56
  4. Step 4: Simplify right side
    247,171.81x = 45,705,049,976.07
  5. Step 5: Solve for x
    x = 45,705,049,976.07/247,171.81
  6. Step 6: Final answer
    x = 184,912.07

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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.