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Finding the Fourth Proportional to 230,851.90, 346,324.65 and 131,059.90

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Solution

The fourth proportional to 230,851.90, 346,324.65 and 131,059.90 is: 196,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,851.90 : 346,324.65 = 131,059.90 : x
  2. Step 2: Convert to fraction form
    230,851.90/346,324.65 = 131,059.90/x
  3. Step 3: Cross multiply
    230,851.90x = 346,324.65 × 131,059.90
  4. Step 4: Simplify right side
    230,851.90x = 45,389,273,996.54
  5. Step 5: Solve for x
    x = 45,389,273,996.54/230,851.90
  6. Step 6: Final answer
    x = 196,616.42

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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.