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Finding the Fourth Proportional to 159,364.20, 238,991.22 and 70,679.73

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Solution

The fourth proportional to 159,364.20, 238,991.22 and 70,679.73 is: 105,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,364.20 : 238,991.22 = 70,679.73 : x
  2. Step 2: Convert to fraction form
    159,364.20/238,991.22 = 70,679.73/x
  3. Step 3: Cross multiply
    159,364.20x = 238,991.22 × 70,679.73
  4. Step 4: Simplify right side
    159,364.20x = 16,891,834,901.97
  5. Step 5: Solve for x
    x = 16,891,834,901.97/159,364.20
  6. Step 6: Final answer
    x = 105,995.17

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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.