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Finding the Fourth Proportional to 159,321.69, 238,982.62 and 52,705.65

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Solution

The fourth proportional to 159,321.69, 238,982.62 and 52,705.65 is: 79,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,321.69 : 238,982.62 = 52,705.65 : x
  2. Step 2: Convert to fraction form
    159,321.69/238,982.62 = 52,705.65/x
  3. Step 3: Cross multiply
    159,321.69x = 238,982.62 × 52,705.65
  4. Step 4: Simplify right side
    159,321.69x = 12,595,733,958.49
  5. Step 5: Solve for x
    x = 12,595,733,958.49/159,321.69
  6. Step 6: Final answer
    x = 79,058.50

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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.