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Finding the Fourth Proportional to 112,294.20, 167,218.23 and 111,051.57

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Solution

The fourth proportional to 112,294.20, 167,218.23 and 111,051.57 is: 165,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,294.20 : 167,218.23 = 111,051.57 : x
  2. Step 2: Convert to fraction form
    112,294.20/167,218.23 = 111,051.57/x
  3. Step 3: Cross multiply
    112,294.20x = 167,218.23 × 111,051.57
  4. Step 4: Simplify right side
    112,294.20x = 18,569,846,974.12
  5. Step 5: Solve for x
    x = 18,569,846,974.12/112,294.20
  6. Step 6: Final answer
    x = 165,367.82

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.