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Finding the Fourth Proportional to 168,963.55, 253,310.00 and 84,680.44

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Solution

The fourth proportional to 168,963.55, 253,310.00 and 84,680.44 is: 126,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,963.55 : 253,310.00 = 84,680.44 : x
  2. Step 2: Convert to fraction form
    168,963.55/253,310.00 = 84,680.44/x
  3. Step 3: Cross multiply
    168,963.55x = 253,310.00 × 84,680.44
  4. Step 4: Simplify right side
    168,963.55x = 21,450,402,466.27
  5. Step 5: Solve for x
    x = 21,450,402,466.27/168,963.55
  6. Step 6: Final answer
    x = 126,952.84

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1.5x scale

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.