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Finding the Fourth Proportional to 117,576.82, 176,309.64 and 45,563.44

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Solution

The fourth proportional to 117,576.82, 176,309.64 and 45,563.44 is: 68,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576.82 : 176,309.64 = 45,563.44 : x
  2. Step 2: Convert to fraction form
    117,576.82/176,309.64 = 45,563.44/x
  3. Step 3: Cross multiply
    117,576.82x = 176,309.64 × 45,563.44
  4. Step 4: Simplify right side
    117,576.82x = 8,033,273,703.56
  5. Step 5: Solve for x
    x = 8,033,273,703.56/117,576.82
  6. Step 6: Final answer
    x = 68,323.62

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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.