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Finding the Fourth Proportional to 159,933.97, 239,638.38 and 54,695.53

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Solution

The fourth proportional to 159,933.97, 239,638.38 and 54,695.53 is: 81,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,933.97 : 239,638.38 = 54,695.53 : x
  2. Step 2: Convert to fraction form
    159,933.97/239,638.38 = 54,695.53/x
  3. Step 3: Cross multiply
    159,933.97x = 239,638.38 × 54,695.53
  4. Step 4: Simplify right side
    159,933.97x = 13,107,148,202.44
  5. Step 5: Solve for x
    x = 13,107,148,202.44/159,933.97
  6. Step 6: Final answer
    x = 81,953.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.