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Finding the Fourth Proportional to 159,819.48, 220,633.80 and 116,750.62

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Solution

The fourth proportional to 159,819.48, 220,633.80 and 116,750.62 is: 161,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,819.48 : 220,633.80 = 116,750.62 : x
  2. Step 2: Convert to fraction form
    159,819.48/220,633.80 = 116,750.62/x
  3. Step 3: Cross multiply
    159,819.48x = 220,633.80 × 116,750.62
  4. Step 4: Simplify right side
    159,819.48x = 25,759,131,256.03
  5. Step 5: Solve for x
    x = 25,759,131,256.03/159,819.48
  6. Step 6: Final answer
    x = 161,176.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.