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Finding the Fourth Proportional to 168,641.86, 232,729.14 and 92,165.71

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Solution

The fourth proportional to 168,641.86, 232,729.14 and 92,165.71 is: 127,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,641.86 : 232,729.14 = 92,165.71 : x
  2. Step 2: Convert to fraction form
    168,641.86/232,729.14 = 92,165.71/x
  3. Step 3: Cross multiply
    168,641.86x = 232,729.14 × 92,165.71
  4. Step 4: Simplify right side
    168,641.86x = 21,449,646,425.79
  5. Step 5: Solve for x
    x = 21,449,646,425.79/168,641.86
  6. Step 6: Final answer
    x = 127,190.52

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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.