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Finding the Fourth Proportional to 95,463, 131,738.99 and 53,021.88

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Solution

The fourth proportional to 95,463, 131,738.99 and 53,021.88 is: 73,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,463 : 131,738.99 = 53,021.88 : x
  2. Step 2: Convert to fraction form
    95,463/131,738.99 = 53,021.88/x
  3. Step 3: Cross multiply
    95,463x = 131,738.99 × 53,021.88
  4. Step 4: Simplify right side
    95,463x = 6,985,048,653.99
  5. Step 5: Solve for x
    x = 6,985,048,653.99/95,463
  6. Step 6: Final answer
    x = 73,170.22

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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.