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Finding the Fourth Proportional to 276,125.46, 414,139.59 and 73,724.09

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Solution

The fourth proportional to 276,125.46, 414,139.59 and 73,724.09 is: 110,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,125.46 : 414,139.59 = 73,724.09 : x
  2. Step 2: Convert to fraction form
    276,125.46/414,139.59 = 73,724.09/x
  3. Step 3: Cross multiply
    276,125.46x = 414,139.59 × 73,724.09
  4. Step 4: Simplify right side
    276,125.46x = 30,532,062,335.03
  5. Step 5: Solve for x
    x = 30,532,062,335.03/276,125.46
  6. Step 6: Final answer
    x = 110,573.15

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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.