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Finding the Fourth Proportional to 105,633.11, 158,450.03 and 26,747.30

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Solution

The fourth proportional to 105,633.11, 158,450.03 and 26,747.30 is: 40,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,633.11 : 158,450.03 = 26,747.30 : x
  2. Step 2: Convert to fraction form
    105,633.11/158,450.03 = 26,747.30/x
  3. Step 3: Cross multiply
    105,633.11x = 158,450.03 × 26,747.30
  4. Step 4: Simplify right side
    105,633.11x = 4,238,110,353.68
  5. Step 5: Solve for x
    x = 4,238,110,353.68/105,633.11
  6. Step 6: Final answer
    x = 40,121.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.