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Finding the Fourth Proportional to 159,685.33, 239,487.12 and 47,339.29

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Solution

The fourth proportional to 159,685.33, 239,487.12 and 47,339.29 is: 70,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,685.33 : 239,487.12 = 47,339.29 : x
  2. Step 2: Convert to fraction form
    159,685.33/239,487.12 = 47,339.29/x
  3. Step 3: Cross multiply
    159,685.33x = 239,487.12 × 47,339.29
  4. Step 4: Simplify right side
    159,685.33x = 11,337,150,224.94
  5. Step 5: Solve for x
    x = 11,337,150,224.94/159,685.33
  6. Step 6: Final answer
    x = 70,996.82

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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.