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Finding the Fourth Proportional to 231,158.72, 346,750.08 and 73,399.52

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Solution

The fourth proportional to 231,158.72, 346,750.08 and 73,399.52 is: 110,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,158.72 : 346,750.08 = 73,399.52 : x
  2. Step 2: Convert to fraction form
    231,158.72/346,750.08 = 73,399.52/x
  3. Step 3: Cross multiply
    231,158.72x = 346,750.08 × 73,399.52
  4. Step 4: Simplify right side
    231,158.72x = 25,451,289,431.96
  5. Step 5: Solve for x
    x = 25,451,289,431.96/231,158.72
  6. Step 6: Final answer
    x = 110,103.09

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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.