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Finding the Fourth Proportional to 109,379.88, 150,944.33 and 59,078.88

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Solution

The fourth proportional to 109,379.88, 150,944.33 and 59,078.88 is: 81,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,379.88 : 150,944.33 = 59,078.88 : x
  2. Step 2: Convert to fraction form
    109,379.88/150,944.33 = 59,078.88/x
  3. Step 3: Cross multiply
    109,379.88x = 150,944.33 × 59,078.88
  4. Step 4: Simplify right side
    109,379.88x = 8,917,621,958.75
  5. Step 5: Solve for x
    x = 8,917,621,958.75/109,379.88
  6. Step 6: Final answer
    x = 81,528.91

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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.