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Finding the Fourth Proportional to 95,809.80, 132,213.96 and 53,367.42

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Solution

The fourth proportional to 95,809.80, 132,213.96 and 53,367.42 is: 73,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,809.80 : 132,213.96 = 53,367.42 : x
  2. Step 2: Convert to fraction form
    95,809.80/132,213.96 = 53,367.42/x
  3. Step 3: Cross multiply
    95,809.80x = 132,213.96 × 53,367.42
  4. Step 4: Simplify right side
    95,809.80x = 7,055,917,933.18
  5. Step 5: Solve for x
    x = 7,055,917,933.18/95,809.80
  6. Step 6: Final answer
    x = 73,645.05

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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.