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Finding the Fourth Proportional to 68,956.75, 95,161.58 and 38,332.72

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Solution

The fourth proportional to 68,956.75, 95,161.58 and 38,332.72 is: 52,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,956.75 : 95,161.58 = 38,332.72 : x
  2. Step 2: Convert to fraction form
    68,956.75/95,161.58 = 38,332.72/x
  3. Step 3: Cross multiply
    68,956.75x = 95,161.58 × 38,332.72
  4. Step 4: Simplify right side
    68,956.75x = 3,647,802,200.90
  5. Step 5: Solve for x
    x = 3,647,802,200.90/68,956.75
  6. Step 6: Final answer
    x = 52,899.86

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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.