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Finding the Fourth Proportional to 150,038.38, 206,187.01 and 143,099.92

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Solution

The fourth proportional to 150,038.38, 206,187.01 and 143,099.92 is: 196,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,038.38 : 206,187.01 = 143,099.92 : x
  2. Step 2: Convert to fraction form
    150,038.38/206,187.01 = 143,099.92/x
  3. Step 3: Cross multiply
    150,038.38x = 206,187.01 × 143,099.92
  4. Step 4: Simplify right side
    150,038.38x = 29,505,344,636.04
  5. Step 5: Solve for x
    x = 29,505,344,636.04/150,038.38
  6. Step 6: Final answer
    x = 196,651.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.