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Finding the Fourth Proportional to 95,150, 131,307 and 57,424.26

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Solution

The fourth proportional to 95,150, 131,307 and 57,424.26 is: 79,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,150 : 131,307 = 57,424.26 : x
  2. Step 2: Convert to fraction form
    95,150/131,307 = 57,424.26/x
  3. Step 3: Cross multiply
    95,150x = 131,307 × 57,424.26
  4. Step 4: Simplify right side
    95,150x = 7,540,207,307.82
  5. Step 5: Solve for x
    x = 7,540,207,307.82/95,150
  6. Step 6: Final answer
    x = 79,245.48

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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.