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Finding the Fourth Proportional to 159,132, 218,256.73 and 141,195.88

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Solution

The fourth proportional to 159,132, 218,256.73 and 141,195.88 is: 193,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,132 : 218,256.73 = 141,195.88 : x
  2. Step 2: Convert to fraction form
    159,132/218,256.73 = 141,195.88/x
  3. Step 3: Cross multiply
    159,132x = 218,256.73 × 141,195.88
  4. Step 4: Simplify right side
    159,132x = 30,816,951,058.27
  5. Step 5: Solve for x
    x = 30,816,951,058.27/159,132
  6. Step 6: Final answer
    x = 193,656.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.