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Finding the Fourth Proportional to 168,454.52, 252,664.78 and 56,122.69

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Solution

The fourth proportional to 168,454.52, 252,664.78 and 56,122.69 is: 84,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,454.52 : 252,664.78 = 56,122.69 : x
  2. Step 2: Convert to fraction form
    168,454.52/252,664.78 = 56,122.69/x
  3. Step 3: Cross multiply
    168,454.52x = 252,664.78 × 56,122.69
  4. Step 4: Simplify right side
    168,454.52x = 14,180,227,121.86
  5. Step 5: Solve for x
    x = 14,180,227,121.86/168,454.52
  6. Step 6: Final answer
    x = 84,178.37

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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.