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Finding the Fourth Proportional to 168,412.54, 232,409.27 and 92,961.02

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Solution

The fourth proportional to 168,412.54, 232,409.27 and 92,961.02 is: 128,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,412.54 : 232,409.27 = 92,961.02 : x
  2. Step 2: Convert to fraction form
    168,412.54/232,409.27 = 92,961.02/x
  3. Step 3: Cross multiply
    168,412.54x = 232,409.27 × 92,961.02
  4. Step 4: Simplify right side
    168,412.54x = 21,605,002,796.66
  5. Step 5: Solve for x
    x = 21,605,002,796.66/168,412.54
  6. Step 6: Final answer
    x = 128,286.19

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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.