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Finding the Fourth Proportional to 237,103.72, 327,198.90 and 129,672.88

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Solution

The fourth proportional to 237,103.72, 327,198.90 and 129,672.88 is: 178,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,103.72 : 327,198.90 = 129,672.88 : x
  2. Step 2: Convert to fraction form
    237,103.72/327,198.90 = 129,672.88/x
  3. Step 3: Cross multiply
    237,103.72x = 327,198.90 × 129,672.88
  4. Step 4: Simplify right side
    237,103.72x = 42,428,823,695.83
  5. Step 5: Solve for x
    x = 42,428,823,695.83/237,103.72
  6. Step 6: Final answer
    x = 178,946.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.