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Finding the Fourth Proportional to 51,169.51, 76,623.04 and 43,296.31

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Solution

The fourth proportional to 51,169.51, 76,623.04 and 43,296.31 is: 64,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,169.51 : 76,623.04 = 43,296.31 : x
  2. Step 2: Convert to fraction form
    51,169.51/76,623.04 = 43,296.31/x
  3. Step 3: Cross multiply
    51,169.51x = 76,623.04 × 43,296.31
  4. Step 4: Simplify right side
    51,169.51x = 3,317,494,892.98
  5. Step 5: Solve for x
    x = 3,317,494,892.98/51,169.51
  6. Step 6: Final answer
    x = 64,833.43

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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.