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Finding the Fourth Proportional to 237,049.44, 327,128.28 and 129,629.40

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Solution

The fourth proportional to 237,049.44, 327,128.28 and 129,629.40 is: 178,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,049.44 : 327,128.28 = 129,629.40 : x
  2. Step 2: Convert to fraction form
    237,049.44/327,128.28 = 129,629.40/x
  3. Step 3: Cross multiply
    237,049.44x = 327,128.28 × 129,629.40
  4. Step 4: Simplify right side
    237,049.44x = 42,405,442,659.43
  5. Step 5: Solve for x
    x = 42,405,442,659.43/237,049.44
  6. Step 6: Final answer
    x = 178,888.60

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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.