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Finding the Fourth Proportional to 133,467.70, 199,909.95 and 103,651.60

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Solution

The fourth proportional to 133,467.70, 199,909.95 and 103,651.60 is: 155,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,467.70 : 199,909.95 = 103,651.60 : x
  2. Step 2: Convert to fraction form
    133,467.70/199,909.95 = 103,651.60/x
  3. Step 3: Cross multiply
    133,467.70x = 199,909.95 × 103,651.60
  4. Step 4: Simplify right side
    133,467.70x = 20,720,986,173.42
  5. Step 5: Solve for x
    x = 20,720,986,173.42/133,467.70
  6. Step 6: Final answer
    x = 155,250.94

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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.