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Finding the Fourth Proportional to 95,832, 132,242.66 and 54,987.48

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Solution

The fourth proportional to 95,832, 132,242.66 and 54,987.48 is: 75,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,832 : 132,242.66 = 54,987.48 : x
  2. Step 2: Convert to fraction form
    95,832/132,242.66 = 54,987.48/x
  3. Step 3: Cross multiply
    95,832x = 132,242.66 × 54,987.48
  4. Step 4: Simplify right side
    95,832x = 7,271,690,553.16
  5. Step 5: Solve for x
    x = 7,271,690,553.16/95,832
  6. Step 6: Final answer
    x = 75,879.57

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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.