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Finding the Fourth Proportional to 95,899.92, 132,398.60 and 85,260.12

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Solution

The fourth proportional to 95,899.92, 132,398.60 and 85,260.12 is: 117,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,899.92 : 132,398.60 = 85,260.12 : x
  2. Step 2: Convert to fraction form
    95,899.92/132,398.60 = 85,260.12/x
  3. Step 3: Cross multiply
    95,899.92x = 132,398.60 × 85,260.12
  4. Step 4: Simplify right side
    95,899.92x = 11,288,320,523.83
  5. Step 5: Solve for x
    x = 11,288,320,523.83/95,899.92
  6. Step 6: Final answer
    x = 117,709.38

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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.