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Finding the Fourth Proportional to 168,513.89, 252,796.75 and 63,340.25

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Solution

The fourth proportional to 168,513.89, 252,796.75 and 63,340.25 is: 95,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,513.89 : 252,796.75 = 63,340.25 : x
  2. Step 2: Convert to fraction form
    168,513.89/252,796.75 = 63,340.25/x
  3. Step 3: Cross multiply
    168,513.89x = 252,796.75 × 63,340.25
  4. Step 4: Simplify right side
    168,513.89x = 16,012,207,921.85
  5. Step 5: Solve for x
    x = 16,012,207,921.85/168,513.89
  6. Step 6: Final answer
    x = 95,020.11

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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.