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Finding the Fourth Proportional to 185,889.21, 278,676.17 and 73,648.73

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Solution

The fourth proportional to 185,889.21, 278,676.17 and 73,648.73 is: 110,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,889.21 : 278,676.17 = 73,648.73 : x
  2. Step 2: Convert to fraction form
    185,889.21/278,676.17 = 73,648.73/x
  3. Step 3: Cross multiply
    185,889.21x = 278,676.17 × 73,648.73
  4. Step 4: Simplify right side
    185,889.21x = 20,524,144,240.14
  5. Step 5: Solve for x
    x = 20,524,144,240.14/185,889.21
  6. Step 6: Final answer
    x = 110,410.63

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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.