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Finding the Fourth Proportional to 67,955.44, 101,919.26 and 25,820.76

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Solution

The fourth proportional to 67,955.44, 101,919.26 and 25,820.76 is: 38,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,955.44 : 101,919.26 = 25,820.76 : x
  2. Step 2: Convert to fraction form
    67,955.44/101,919.26 = 25,820.76/x
  3. Step 3: Cross multiply
    67,955.44x = 101,919.26 × 25,820.76
  4. Step 4: Simplify right side
    67,955.44x = 2,631,632,625.29
  5. Step 5: Solve for x
    x = 2,631,632,625.29/67,955.44
  6. Step 6: Final answer
    x = 38,725.86

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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.