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Finding the Fourth Proportional to 168,640.86, 232,727.76 and 92,164.71

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Solution

The fourth proportional to 168,640.86, 232,727.76 and 92,164.71 is: 127,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,640.86 : 232,727.76 = 92,164.71 : x
  2. Step 2: Convert to fraction form
    168,640.86/232,727.76 = 92,164.71/x
  3. Step 3: Cross multiply
    168,640.86x = 232,727.76 × 92,164.71
  4. Step 4: Simplify right side
    168,640.86x = 21,449,286,509.35
  5. Step 5: Solve for x
    x = 21,449,286,509.35/168,640.86
  6. Step 6: Final answer
    x = 127,189.14

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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.