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Finding the Fourth Proportional to 168,563.40, 253,136.70 and 163,314.60

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Solution

The fourth proportional to 168,563.40, 253,136.70 and 163,314.60 is: 245,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,563.40 : 253,136.70 = 163,314.60 : x
  2. Step 2: Convert to fraction form
    168,563.40/253,136.70 = 163,314.60/x
  3. Step 3: Cross multiply
    168,563.40x = 253,136.70 × 163,314.60
  4. Step 4: Simplify right side
    168,563.40x = 41,340,918,905.82
  5. Step 5: Solve for x
    x = 41,340,918,905.82/168,563.40
  6. Step 6: Final answer
    x = 245,254.42

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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.