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Finding the Fourth Proportional to 159,409.44, 239,145.69 and 45,558.27

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Solution

The fourth proportional to 159,409.44, 239,145.69 and 45,558.27 is: 68,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,409.44 : 239,145.69 = 45,558.27 : x
  2. Step 2: Convert to fraction form
    159,409.44/239,145.69 = 45,558.27/x
  3. Step 3: Cross multiply
    159,409.44x = 239,145.69 × 45,558.27
  4. Step 4: Simplify right side
    159,409.44x = 10,895,063,914.36
  5. Step 5: Solve for x
    x = 10,895,063,914.36/159,409.44
  6. Step 6: Final answer
    x = 68,346.42

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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.