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Finding the Fourth Proportional to 71,908.44, 107,863.02 and 25,161.36

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Solution

The fourth proportional to 71,908.44, 107,863.02 and 25,161.36 is: 37,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,908.44 : 107,863.02 = 25,161.36 : x
  2. Step 2: Convert to fraction form
    71,908.44/107,863.02 = 25,161.36/x
  3. Step 3: Cross multiply
    71,908.44x = 107,863.02 × 25,161.36
  4. Step 4: Simplify right side
    71,908.44x = 2,713,980,276.91
  5. Step 5: Solve for x
    x = 2,713,980,276.91/71,908.44
  6. Step 6: Final answer
    x = 37,742.17

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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.