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Finding the Fourth Proportional to 167,990.41, 231,826.71 and 92,538.91

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Solution

The fourth proportional to 167,990.41, 231,826.71 and 92,538.91 is: 127,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,990.41 : 231,826.71 = 92,538.91 : x
  2. Step 2: Convert to fraction form
    167,990.41/231,826.71 = 92,538.91/x
  3. Step 3: Cross multiply
    167,990.41x = 231,826.71 × 92,538.91
  4. Step 4: Simplify right side
    167,990.41x = 21,452,991,052.29
  5. Step 5: Solve for x
    x = 21,452,991,052.29/167,990.41
  6. Step 6: Final answer
    x = 127,703.67

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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.