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Finding the Fourth Proportional to 159,889.97, 239,960.26 and 111,544.17

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Solution

The fourth proportional to 159,889.97, 239,960.26 and 111,544.17 is: 167,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,889.97 : 239,960.26 = 111,544.17 : x
  2. Step 2: Convert to fraction form
    159,889.97/239,960.26 = 111,544.17/x
  3. Step 3: Cross multiply
    159,889.97x = 239,960.26 × 111,544.17
  4. Step 4: Simplify right side
    159,889.97x = 26,766,168,076.86
  5. Step 5: Solve for x
    x = 26,766,168,076.86/159,889.97
  6. Step 6: Final answer
    x = 167,403.67

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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.