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Finding the Fourth Proportional to 127,183.74, 190,648.17 and 63,810.78

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Solution

The fourth proportional to 127,183.74, 190,648.17 and 63,810.78 is: 95,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,183.74 : 190,648.17 = 63,810.78 : x
  2. Step 2: Convert to fraction form
    127,183.74/190,648.17 = 63,810.78/x
  3. Step 3: Cross multiply
    127,183.74x = 190,648.17 × 63,810.78
  4. Step 4: Simplify right side
    127,183.74x = 12,165,408,433.27
  5. Step 5: Solve for x
    x = 12,165,408,433.27/127,183.74
  6. Step 6: Final answer
    x = 95,652.23

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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.