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Finding the Fourth Proportional to 95,668.82, 131,884.63 and 63,349.21

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Solution

The fourth proportional to 95,668.82, 131,884.63 and 63,349.21 is: 87,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,668.82 : 131,884.63 = 63,349.21 : x
  2. Step 2: Convert to fraction form
    95,668.82/131,884.63 = 63,349.21/x
  3. Step 3: Cross multiply
    95,668.82x = 131,884.63 × 63,349.21
  4. Step 4: Simplify right side
    95,668.82x = 8,354,787,121.64
  5. Step 5: Solve for x
    x = 8,354,787,121.64/95,668.82
  6. Step 6: Final answer
    x = 87,330.30

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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.