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Finding the Fourth Proportional to 174,169.78, 261,371.04 and 63,361.78

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Solution

The fourth proportional to 174,169.78, 261,371.04 and 63,361.78 is: 95,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,169.78 : 261,371.04 = 63,361.78 : x
  2. Step 2: Convert to fraction form
    174,169.78/261,371.04 = 63,361.78/x
  3. Step 3: Cross multiply
    174,169.78x = 261,371.04 × 63,361.78
  4. Step 4: Simplify right side
    174,169.78x = 16,560,934,334.85
  5. Step 5: Solve for x
    x = 16,560,934,334.85/174,169.78
  6. Step 6: Final answer
    x = 95,085.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.