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Finding the Fourth Proportional to 67,459.78, 101,194.56 and 25,906.78

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Solution

The fourth proportional to 67,459.78, 101,194.56 and 25,906.78 is: 38,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,459.78 : 101,194.56 = 25,906.78 : x
  2. Step 2: Convert to fraction form
    67,459.78/101,194.56 = 25,906.78/x
  3. Step 3: Cross multiply
    67,459.78x = 101,194.56 × 25,906.78
  4. Step 4: Simplify right side
    67,459.78x = 2,621,625,203.12
  5. Step 5: Solve for x
    x = 2,621,625,203.12/67,459.78
  6. Step 6: Final answer
    x = 38,862.05

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1.5x scale

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.