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Finding the Fourth Proportional to 167,372.45, 230,662.45 and 113,659.73

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Solution

The fourth proportional to 167,372.45, 230,662.45 and 113,659.73 is: 156,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,372.45 : 230,662.45 = 113,659.73 : x
  2. Step 2: Convert to fraction form
    167,372.45/230,662.45 = 113,659.73/x
  3. Step 3: Cross multiply
    167,372.45x = 230,662.45 × 113,659.73
  4. Step 4: Simplify right side
    167,372.45x = 26,217,031,788.14
  5. Step 5: Solve for x
    x = 26,217,031,788.14/167,372.45
  6. Step 6: Final answer
    x = 156,638.87

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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.