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Finding the Fourth Proportional to 67,273.88, 100,875.78 and 25,119.30

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Solution

The fourth proportional to 67,273.88, 100,875.78 and 25,119.30 is: 37,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,273.88 : 100,875.78 = 25,119.30 : x
  2. Step 2: Convert to fraction form
    67,273.88/100,875.78 = 25,119.30/x
  3. Step 3: Cross multiply
    67,273.88x = 100,875.78 × 25,119.30
  4. Step 4: Simplify right side
    67,273.88x = 2,533,928,980.55
  5. Step 5: Solve for x
    x = 2,533,928,980.55/67,273.88
  6. Step 6: Final answer
    x = 37,665.87

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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.