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Finding the Fourth Proportional to 87,896.92, 131,848.64 and 45,190.92

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Solution

The fourth proportional to 87,896.92, 131,848.64 and 45,190.92 is: 67,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,896.92 : 131,848.64 = 45,190.92 : x
  2. Step 2: Convert to fraction form
    87,896.92/131,848.64 = 45,190.92/x
  3. Step 3: Cross multiply
    87,896.92x = 131,848.64 × 45,190.92
  4. Step 4: Simplify right side
    87,896.92x = 5,958,361,342.35
  5. Step 5: Solve for x
    x = 5,958,361,342.35/87,896.92
  6. Step 6: Final answer
    x = 67,788.06

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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.