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Finding the Fourth Proportional to 117,791.74, 176,689.48 and 29,045.27

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Solution

The fourth proportional to 117,791.74, 176,689.48 and 29,045.27 is: 43,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,791.74 : 176,689.48 = 29,045.27 : x
  2. Step 2: Convert to fraction form
    117,791.74/176,689.48 = 29,045.27/x
  3. Step 3: Cross multiply
    117,791.74x = 176,689.48 × 29,045.27
  4. Step 4: Simplify right side
    117,791.74x = 5,131,993,138.42
  5. Step 5: Solve for x
    x = 5,131,993,138.42/117,791.74
  6. Step 6: Final answer
    x = 43,568.36

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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.