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Finding the Fourth Proportional to 159,311.04, 238,832.64 and 106,559.52

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Solution

The fourth proportional to 159,311.04, 238,832.64 and 106,559.52 is: 159,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,311.04 : 238,832.64 = 106,559.52 : x
  2. Step 2: Convert to fraction form
    159,311.04/238,832.64 = 106,559.52/x
  3. Step 3: Cross multiply
    159,311.04x = 238,832.64 × 106,559.52
  4. Step 4: Simplify right side
    159,311.04x = 25,449,891,478.73
  5. Step 5: Solve for x
    x = 25,449,891,478.73/159,311.04
  6. Step 6: Final answer
    x = 159,749.70

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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.