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Finding the Fourth Proportional to 171,165.86, 236,129.31 and 110,755.94

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Solution

The fourth proportional to 171,165.86, 236,129.31 and 110,755.94 is: 152,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,165.86 : 236,129.31 = 110,755.94 : x
  2. Step 2: Convert to fraction form
    171,165.86/236,129.31 = 110,755.94/x
  3. Step 3: Cross multiply
    171,165.86x = 236,129.31 × 110,755.94
  4. Step 4: Simplify right side
    171,165.86x = 26,152,723,690.60
  5. Step 5: Solve for x
    x = 26,152,723,690.60/171,165.86
  6. Step 6: Final answer
    x = 152,791.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.