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Finding the Fourth Proportional to 222,757.60, 334,136.40 and 143,960.80

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Solution

The fourth proportional to 222,757.60, 334,136.40 and 143,960.80 is: 215,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,757.60 : 334,136.40 = 143,960.80 : x
  2. Step 2: Convert to fraction form
    222,757.60/334,136.40 = 143,960.80/x
  3. Step 3: Cross multiply
    222,757.60x = 334,136.40 × 143,960.80
  4. Step 4: Simplify right side
    222,757.60x = 48,102,543,453.12
  5. Step 5: Solve for x
    x = 48,102,543,453.12/222,757.60
  6. Step 6: Final answer
    x = 215,941.20

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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.