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Finding the Fourth Proportional to 276,376.56, 414,560.18 and 124,489.15

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Solution

The fourth proportional to 276,376.56, 414,560.18 and 124,489.15 is: 186,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,376.56 : 414,560.18 = 124,489.15 : x
  2. Step 2: Convert to fraction form
    276,376.56/414,560.18 = 124,489.15/x
  3. Step 3: Cross multiply
    276,376.56x = 414,560.18 × 124,489.15
  4. Step 4: Simplify right side
    276,376.56x = 51,608,245,338.52
  5. Step 5: Solve for x
    x = 51,608,245,338.52/276,376.56
  6. Step 6: Final answer
    x = 186,731.63

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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.