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Finding the Fourth Proportional to 168,504.96, 252,756.72 and 68,642.88

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Solution

The fourth proportional to 168,504.96, 252,756.72 and 68,642.88 is: 102,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,504.96 : 252,756.72 = 68,642.88 : x
  2. Step 2: Convert to fraction form
    168,504.96/252,756.72 = 68,642.88/x
  3. Step 3: Cross multiply
    168,504.96x = 252,756.72 × 68,642.88
  4. Step 4: Simplify right side
    168,504.96x = 17,349,949,200.15
  5. Step 5: Solve for x
    x = 17,349,949,200.15/168,504.96
  6. Step 6: Final answer
    x = 102,964.03

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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.