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Finding the Fourth Proportional to 176,682.87, 264,884.94 and 87,887.97

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Solution

The fourth proportional to 176,682.87, 264,884.94 and 87,887.97 is: 131,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,682.87 : 264,884.94 = 87,887.97 : x
  2. Step 2: Convert to fraction form
    176,682.87/264,884.94 = 87,887.97/x
  3. Step 3: Cross multiply
    176,682.87x = 264,884.94 × 87,887.97
  4. Step 4: Simplify right side
    176,682.87x = 23,280,199,660.17
  5. Step 5: Solve for x
    x = 23,280,199,660.17/176,682.87
  6. Step 6: Final answer
    x = 131,762.63

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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.