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Finding the Fourth Proportional to 214,117.92, 321,213.36 and 73,843.68

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Solution

The fourth proportional to 214,117.92, 321,213.36 and 73,843.68 is: 110,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,117.92 : 321,213.36 = 73,843.68 : x
  2. Step 2: Convert to fraction form
    214,117.92/321,213.36 = 73,843.68/x
  3. Step 3: Cross multiply
    214,117.92x = 321,213.36 × 73,843.68
  4. Step 4: Simplify right side
    214,117.92x = 23,719,576,567.56
  5. Step 5: Solve for x
    x = 23,719,576,567.56/214,117.92
  6. Step 6: Final answer
    x = 110,778.10

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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.