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Finding the Fourth Proportional to 168,832, 232,995.48 and 93,380.56

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Solution

The fourth proportional to 168,832, 232,995.48 and 93,380.56 is: 128,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,832 : 232,995.48 = 93,380.56 : x
  2. Step 2: Convert to fraction form
    168,832/232,995.48 = 93,380.56/x
  3. Step 3: Cross multiply
    168,832x = 232,995.48 × 93,380.56
  4. Step 4: Simplify right side
    168,832x = 21,757,248,399.87
  5. Step 5: Solve for x
    x = 21,757,248,399.87/168,832
  6. Step 6: Final answer
    x = 128,869.22

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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.