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Finding the Fourth Proportional to 84,263.94, 126,369.99 and 44,799.30

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Solution

The fourth proportional to 84,263.94, 126,369.99 and 44,799.30 is: 67,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,263.94 : 126,369.99 = 44,799.30 : x
  2. Step 2: Convert to fraction form
    84,263.94/126,369.99 = 44,799.30/x
  3. Step 3: Cross multiply
    84,263.94x = 126,369.99 × 44,799.30
  4. Step 4: Simplify right side
    84,263.94x = 5,661,287,093.01
  5. Step 5: Solve for x
    x = 5,661,287,093.01/84,263.94
  6. Step 6: Final answer
    x = 67,185.17

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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.