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Finding the Fourth Proportional to 231,330.70, 346,996.05 and 73,575.10

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Solution

The fourth proportional to 231,330.70, 346,996.05 and 73,575.10 is: 110,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,330.70 : 346,996.05 = 73,575.10 : x
  2. Step 2: Convert to fraction form
    231,330.70/346,996.05 = 73,575.10/x
  3. Step 3: Cross multiply
    231,330.70x = 346,996.05 × 73,575.10
  4. Step 4: Simplify right side
    231,330.70x = 25,530,269,078.36
  5. Step 5: Solve for x
    x = 25,530,269,078.36/231,330.70
  6. Step 6: Final answer
    x = 110,362.65

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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.