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Finding the Fourth Proportional to 276,331.90, 414,672.28 and 158,233.90

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Solution

The fourth proportional to 276,331.90, 414,672.28 and 158,233.90 is: 237,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,331.90 : 414,672.28 = 158,233.90 : x
  2. Step 2: Convert to fraction form
    276,331.90/414,672.28 = 158,233.90/x
  3. Step 3: Cross multiply
    276,331.90x = 414,672.28 × 158,233.90
  4. Step 4: Simplify right side
    276,331.90x = 65,615,212,086.29
  5. Step 5: Solve for x
    x = 65,615,212,086.29/276,331.90
  6. Step 6: Final answer
    x = 237,450.73

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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.