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Finding the Fourth Proportional to 159,084.80, 238,621.70 and 40,757.30

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Solution

The fourth proportional to 159,084.80, 238,621.70 and 40,757.30 is: 61,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,084.80 : 238,621.70 = 40,757.30 : x
  2. Step 2: Convert to fraction form
    159,084.80/238,621.70 = 40,757.30/x
  3. Step 3: Cross multiply
    159,084.80x = 238,621.70 × 40,757.30
  4. Step 4: Simplify right side
    159,084.80x = 9,725,576,213.41
  5. Step 5: Solve for x
    x = 9,725,576,213.41/159,084.80
  6. Step 6: Final answer
    x = 61,134.54

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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.