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Finding the Fourth Proportional to 176,679.45, 264,879.79 and 87,884.49

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Solution

The fourth proportional to 176,679.45, 264,879.79 and 87,884.49 is: 131,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,679.45 : 264,879.79 = 87,884.49 : x
  2. Step 2: Convert to fraction form
    176,679.45/264,879.79 = 87,884.49/x
  3. Step 3: Cross multiply
    176,679.45x = 264,879.79 × 87,884.49
  4. Step 4: Simplify right side
    176,679.45x = 23,278,824,593.26
  5. Step 5: Solve for x
    x = 23,278,824,593.26/176,679.45
  6. Step 6: Final answer
    x = 131,757.40

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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.