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Finding the Fourth Proportional to 133,245.86, 199,924.15 and 58,327.44

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Solution

The fourth proportional to 133,245.86, 199,924.15 and 58,327.44 is: 87,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,245.86 : 199,924.15 = 58,327.44 : x
  2. Step 2: Convert to fraction form
    133,245.86/199,924.15 = 58,327.44/x
  3. Step 3: Cross multiply
    133,245.86x = 199,924.15 × 58,327.44
  4. Step 4: Simplify right side
    133,245.86x = 11,661,064,202.08
  5. Step 5: Solve for x
    x = 11,661,064,202.08/133,245.86
  6. Step 6: Final answer
    x = 87,515.40

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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.