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Finding the Fourth Proportional to 95,578.74, 131,615.01 and 68,673.78

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Solution

The fourth proportional to 95,578.74, 131,615.01 and 68,673.78 is: 94,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,578.74 : 131,615.01 = 68,673.78 : x
  2. Step 2: Convert to fraction form
    95,578.74/131,615.01 = 68,673.78/x
  3. Step 3: Cross multiply
    95,578.74x = 131,615.01 × 68,673.78
  4. Step 4: Simplify right side
    95,578.74x = 9,038,500,241.44
  5. Step 5: Solve for x
    x = 9,038,500,241.44/95,578.74
  6. Step 6: Final answer
    x = 94,566.01

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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.