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Finding the Fourth Proportional to 159,295.96, 238,982.82 and 48,487.96

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Solution

The fourth proportional to 159,295.96, 238,982.82 and 48,487.96 is: 72,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,295.96 : 238,982.82 = 48,487.96 : x
  2. Step 2: Convert to fraction form
    159,295.96/238,982.82 = 48,487.96/x
  3. Step 3: Cross multiply
    159,295.96x = 238,982.82 × 48,487.96
  4. Step 4: Simplify right side
    159,295.96x = 11,587,789,416.85
  5. Step 5: Solve for x
    x = 11,587,789,416.85/159,295.96
  6. Step 6: Final answer
    x = 72,743.77

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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.