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Finding the Fourth Proportional to 276,056.46, 414,084.45 and 89,067.96

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Solution

The fourth proportional to 276,056.46, 414,084.45 and 89,067.96 is: 133,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,056.46 : 414,084.45 = 89,067.96 : x
  2. Step 2: Convert to fraction form
    276,056.46/414,084.45 = 89,067.96/x
  3. Step 3: Cross multiply
    276,056.46x = 414,084.45 × 89,067.96
  4. Step 4: Simplify right side
    276,056.46x = 36,881,657,229.22
  5. Step 5: Solve for x
    x = 36,881,657,229.22/276,056.46
  6. Step 6: Final answer
    x = 133,601.86

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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.