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Finding the Fourth Proportional to 95,575.92, 131,892.12 and 53,131.44

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Solution

The fourth proportional to 95,575.92, 131,892.12 and 53,131.44 is: 73,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,575.92 : 131,892.12 = 53,131.44 : x
  2. Step 2: Convert to fraction form
    95,575.92/131,892.12 = 53,131.44/x
  3. Step 3: Cross multiply
    95,575.92x = 131,892.12 × 53,131.44
  4. Step 4: Simplify right side
    95,575.92x = 7,007,618,260.25
  5. Step 5: Solve for x
    x = 7,007,618,260.25/95,575.92
  6. Step 6: Final answer
    x = 73,319.91

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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.