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Finding the Fourth Proportional to 276,127.96, 414,143.34 and 73,726.58

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Solution

The fourth proportional to 276,127.96, 414,143.34 and 73,726.58 is: 110,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,127.96 : 414,143.34 = 73,726.58 : x
  2. Step 2: Convert to fraction form
    276,127.96/414,143.34 = 73,726.58/x
  3. Step 3: Cross multiply
    276,127.96x = 414,143.34 × 73,726.58
  4. Step 4: Simplify right side
    276,127.96x = 30,533,372,087.98
  5. Step 5: Solve for x
    x = 30,533,372,087.98/276,127.96
  6. Step 6: Final answer
    x = 110,576.89

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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.