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Finding the Fourth Proportional to 225,634.56, 338,339.14 and 73,811.82

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Solution

The fourth proportional to 225,634.56, 338,339.14 and 73,811.82 is: 110,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,634.56 : 338,339.14 = 73,811.82 : x
  2. Step 2: Convert to fraction form
    225,634.56/338,339.14 = 73,811.82/x
  3. Step 3: Cross multiply
    225,634.56x = 338,339.14 × 73,811.82
  4. Step 4: Simplify right side
    225,634.56x = 24,973,427,700.63
  5. Step 5: Solve for x
    x = 24,973,427,700.63/225,634.56
  6. Step 6: Final answer
    x = 110,680.86

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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.