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Finding the Fourth Proportional to 109,906.48, 151,671 and 59,605.48

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Solution

The fourth proportional to 109,906.48, 151,671 and 59,605.48 is: 82,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,906.48 : 151,671 = 59,605.48 : x
  2. Step 2: Convert to fraction form
    109,906.48/151,671 = 59,605.48/x
  3. Step 3: Cross multiply
    109,906.48x = 151,671 × 59,605.48
  4. Step 4: Simplify right side
    109,906.48x = 9,040,422,757.08
  5. Step 5: Solve for x
    x = 9,040,422,757.08/109,906.48
  6. Step 6: Final answer
    x = 82,255.59

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1.5x scale

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.