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Finding the Fourth Proportional to 133,367.80, 199,614.30 and 103,624.60

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Solution

The fourth proportional to 133,367.80, 199,614.30 and 103,624.60 is: 155,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,367.80 : 199,614.30 = 103,624.60 : x
  2. Step 2: Convert to fraction form
    133,367.80/199,614.30 = 103,624.60/x
  3. Step 3: Cross multiply
    133,367.80x = 199,614.30 × 103,624.60
  4. Step 4: Simplify right side
    133,367.80x = 20,684,951,991.78
  5. Step 5: Solve for x
    x = 20,684,951,991.78/133,367.80
  6. Step 6: Final answer
    x = 155,097.05

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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.