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Finding the Fourth Proportional to 168,489.72, 252,737.30 and 56,168.41

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Solution

The fourth proportional to 168,489.72, 252,737.30 and 56,168.41 is: 84,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,489.72 : 252,737.30 = 56,168.41 : x
  2. Step 2: Convert to fraction form
    168,489.72/252,737.30 = 56,168.41/x
  3. Step 3: Cross multiply
    168,489.72x = 252,737.30 × 56,168.41
  4. Step 4: Simplify right side
    168,489.72x = 14,195,852,007.85
  5. Step 5: Solve for x
    x = 14,195,852,007.85/168,489.72
  6. Step 6: Final answer
    x = 84,253.52

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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.