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Finding the Fourth Proportional to 159,890.41, 239,709.08 and 60,039.48

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Solution

The fourth proportional to 159,890.41, 239,709.08 and 60,039.48 is: 90,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,890.41 : 239,709.08 = 60,039.48 : x
  2. Step 2: Convert to fraction form
    159,890.41/239,709.08 = 60,039.48/x
  3. Step 3: Cross multiply
    159,890.41x = 239,709.08 × 60,039.48
  4. Step 4: Simplify right side
    159,890.41x = 14,392,008,514.48
  5. Step 5: Solve for x
    x = 14,392,008,514.48/159,890.41
  6. Step 6: Final answer
    x = 90,011.71

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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.