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Finding the Fourth Proportional to 276,125.96, 414,140.34 and 73,724.58

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Solution

The fourth proportional to 276,125.96, 414,140.34 and 73,724.58 is: 110,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,125.96 : 414,140.34 = 73,724.58 : x
  2. Step 2: Convert to fraction form
    276,125.96/414,140.34 = 73,724.58/x
  3. Step 3: Cross multiply
    276,125.96x = 414,140.34 × 73,724.58
  4. Step 4: Simplify right side
    276,125.96x = 30,532,322,627.56
  5. Step 5: Solve for x
    x = 30,532,322,627.56/276,125.96
  6. Step 6: Final answer
    x = 110,573.89

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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.