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Finding the Fourth Proportional to 168,393.36, 252,630.43 and 56,074.61

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Solution

The fourth proportional to 168,393.36, 252,630.43 and 56,074.61 is: 84,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,393.36 : 252,630.43 = 56,074.61 : x
  2. Step 2: Convert to fraction form
    168,393.36/252,630.43 = 56,074.61/x
  3. Step 3: Cross multiply
    168,393.36x = 252,630.43 × 56,074.61
  4. Step 4: Simplify right side
    168,393.36x = 14,166,153,327.77
  5. Step 5: Solve for x
    x = 14,166,153,327.77/168,393.36
  6. Step 6: Final answer
    x = 84,125.37

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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.