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Finding the Fourth Proportional to 81,861.58, 112,975.50 and 46,049.44

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Solution

The fourth proportional to 81,861.58, 112,975.50 and 46,049.44 is: 63,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,861.58 : 112,975.50 = 46,049.44 : x
  2. Step 2: Convert to fraction form
    81,861.58/112,975.50 = 46,049.44/x
  3. Step 3: Cross multiply
    81,861.58x = 112,975.50 × 46,049.44
  4. Step 4: Simplify right side
    81,861.58x = 5,202,458,508.72
  5. Step 5: Solve for x
    x = 5,202,458,508.72/81,861.58
  6. Step 6: Final answer
    x = 63,551.89

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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.