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Finding the Fourth Proportional to 159,537.60, 239,500.80 and 158,371.20

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Solution

The fourth proportional to 159,537.60, 239,500.80 and 158,371.20 is: 237,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,537.60 : 239,500.80 = 158,371.20 : x
  2. Step 2: Convert to fraction form
    159,537.60/239,500.80 = 158,371.20/x
  3. Step 3: Cross multiply
    159,537.60x = 239,500.80 × 158,371.20
  4. Step 4: Simplify right side
    159,537.60x = 37,930,029,096.96
  5. Step 5: Solve for x
    x = 37,930,029,096.96/159,537.60
  6. Step 6: Final answer
    x = 237,749.78

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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.