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Finding the Fourth Proportional to 167,409.82, 231,027.24 and 90,930.41

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Solution

The fourth proportional to 167,409.82, 231,027.24 and 90,930.41 is: 125,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,409.82 : 231,027.24 = 90,930.41 : x
  2. Step 2: Convert to fraction form
    167,409.82/231,027.24 = 90,930.41/x
  3. Step 3: Cross multiply
    167,409.82x = 231,027.24 × 90,930.41
  4. Step 4: Simplify right side
    167,409.82x = 21,007,401,313.38
  5. Step 5: Solve for x
    x = 21,007,401,313.38/167,409.82
  6. Step 6: Final answer
    x = 125,484.88

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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.