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Finding the Fourth Proportional to 81,904.98, 113,039.76 and 46,101.96

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Solution

The fourth proportional to 81,904.98, 113,039.76 and 46,101.96 is: 63,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,904.98 : 113,039.76 = 46,101.96 : x
  2. Step 2: Convert to fraction form
    81,904.98/113,039.76 = 46,101.96/x
  3. Step 3: Cross multiply
    81,904.98x = 113,039.76 × 46,101.96
  4. Step 4: Simplify right side
    81,904.98x = 5,211,354,493.93
  5. Step 5: Solve for x
    x = 5,211,354,493.93/81,904.98
  6. Step 6: Final answer
    x = 63,626.83

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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.