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Finding the Fourth Proportional to 117,879.34, 176,817.29 and 29,132.85

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Solution

The fourth proportional to 117,879.34, 176,817.29 and 29,132.85 is: 43,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,879.34 : 176,817.29 = 29,132.85 : x
  2. Step 2: Convert to fraction form
    117,879.34/176,817.29 = 29,132.85/x
  3. Step 3: Cross multiply
    117,879.34x = 176,817.29 × 29,132.85
  4. Step 4: Simplify right side
    117,879.34x = 5,151,192,104.38
  5. Step 5: Solve for x
    x = 5,151,192,104.38/117,879.34
  6. Step 6: Final answer
    x = 43,698.85

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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.