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Finding the Fourth Proportional to 202,144.60, 303,216.90 and 166,715.20

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Solution

The fourth proportional to 202,144.60, 303,216.90 and 166,715.20 is: 250,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,144.60 : 303,216.90 = 166,715.20 : x
  2. Step 2: Convert to fraction form
    202,144.60/303,216.90 = 166,715.20/x
  3. Step 3: Cross multiply
    202,144.60x = 303,216.90 × 166,715.20
  4. Step 4: Simplify right side
    202,144.60x = 50,550,866,126.88
  5. Step 5: Solve for x
    x = 50,550,866,126.88/202,144.60
  6. Step 6: Final answer
    x = 250,072.80

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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.