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Finding the Fourth Proportional to 117,879.78, 176,817.94 and 29,133.29

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Solution

The fourth proportional to 117,879.78, 176,817.94 and 29,133.29 is: 43,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,879.78 : 176,817.94 = 29,133.29 : x
  2. Step 2: Convert to fraction form
    117,879.78/176,817.94 = 29,133.29/x
  3. Step 3: Cross multiply
    117,879.78x = 176,817.94 × 29,133.29
  4. Step 4: Simplify right side
    117,879.78x = 5,151,288,323.22
  5. Step 5: Solve for x
    x = 5,151,288,323.22/117,879.78
  6. Step 6: Final answer
    x = 43,699.51

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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.