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Finding the Fourth Proportional to 215,676.52, 297,629.56 and 117,560.54

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Solution

The fourth proportional to 215,676.52, 297,629.56 and 117,560.54 is: 162,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,676.52 : 297,629.56 = 117,560.54 : x
  2. Step 2: Convert to fraction form
    215,676.52/297,629.56 = 117,560.54/x
  3. Step 3: Cross multiply
    215,676.52x = 297,629.56 × 117,560.54
  4. Step 4: Simplify right side
    215,676.52x = 34,989,491,793.56
  5. Step 5: Solve for x
    x = 34,989,491,793.56/215,676.52
  6. Step 6: Final answer
    x = 162,231.34

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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.