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Finding the Fourth Proportional to 160,563.23, 240,786.71 and 53,915.29

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Solution

The fourth proportional to 160,563.23, 240,786.71 and 53,915.29 is: 80,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,563.23 : 240,786.71 = 53,915.29 : x
  2. Step 2: Convert to fraction form
    160,563.23/240,786.71 = 53,915.29/x
  3. Step 3: Cross multiply
    160,563.23x = 240,786.71 × 53,915.29
  4. Step 4: Simplify right side
    160,563.23x = 12,982,084,628.44
  5. Step 5: Solve for x
    x = 12,982,084,628.44/160,563.23
  6. Step 6: Final answer
    x = 80,853.41

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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.