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Finding the Fourth Proportional to 168,410.72, 252,642 and 56,052.38

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Solution

The fourth proportional to 168,410.72, 252,642 and 56,052.38 is: 84,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,410.72 : 252,642 = 56,052.38 : x
  2. Step 2: Convert to fraction form
    168,410.72/252,642 = 56,052.38/x
  3. Step 3: Cross multiply
    168,410.72x = 252,642 × 56,052.38
  4. Step 4: Simplify right side
    168,410.72x = 14,161,185,387.96
  5. Step 5: Solve for x
    x = 14,161,185,387.96/168,410.72
  6. Step 6: Final answer
    x = 84,087.20

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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.