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Finding the Fourth Proportional to 159,898.43, 239,972.99 and 111,552.64

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Solution

The fourth proportional to 159,898.43, 239,972.99 and 111,552.64 is: 167,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,898.43 : 239,972.99 = 111,552.64 : x
  2. Step 2: Convert to fraction form
    159,898.43/239,972.99 = 111,552.64/x
  3. Step 3: Cross multiply
    159,898.43x = 239,972.99 × 111,552.64
  4. Step 4: Simplify right side
    159,898.43x = 26,769,621,142.04
  5. Step 5: Solve for x
    x = 26,769,621,142.04/159,898.43
  6. Step 6: Final answer
    x = 167,416.41

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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.